The central atoms of the compounds are sp2-hybridized. The two ball-and-stick models have the same electron pair geometry.
What is sp2- hybridization?
The steric number that determines how a molecule will hybridize will be the same for both representations. The first illustration shows that the central atom can have three sigma bonds, and if there aren't any, the electron pair will be the only pair of electrons on the central atom. Therefore, for each representation, the steric number, which is the product of the number of sigma bonds and the number of lone pairs, will be sp2- hybridization as a result.
What are ball-and-stick models?
It is a molecular representation of a chemical compound that shows the three-dimensional positions of the atoms as well as the bonds that bind them together. Usually, spheres are used to symbolize the atoms, and rods, which stand in for the bonds, connect them. Standard representations of double and triple bonds include two and three curved rods, respectively, or alternatively, correctly positioned sticks for the sigma and pi bonds.
The central atoms of the compounds are sp2-hybridized.
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Which option best describes something that causes ionic bonds to form?.
The option that best describes something that causes ionic bonds to form is the transfer of electron(s) from a metal to a nonmetal.
An ionic bond is formed by the complete transfer of some electrons from one atom to another. The atom that islosing one or more electrons becomes a cation which is a positively charged ion. The atom that is gaining one or more electron becomes an anion which is a negatively charged ion.
Metals are electropositive in nature and they tend to lose electrons, whereas nonmetals are electronegative and tend to gain electrons. A metal atom loses one or more electrons to form a cation with an octet. The same number of electrons are then accepted by the appropriate number of atoms of a nonmetal to form an octet in the anion, producing an ionic compound.
So for an ionic compound there is transfer of electron(s) from a metal to a nonmetal.
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some reactions used during glycolysis produce atp and others use atp. match the enzymes on the left with the reaction types they catalyze on the right.
Both phosphofructokinase kinase and dehydrogenase kinase catalyze events that result in the production of ATP during the phases of glycolysis as glucose is transformed into lactate or ethanol.
What is the process of glycolysis?Describe glycolysis. The process by which sugar is burned down to provide energy is known as glycolysis. It generates two pyruvate molecules, ATP, NADH, and water. There is no need for oxygen throughout the process, which occurs inside the cytoplasm of each cell. Both anaerobic and aerobic creatures experience it.
What are the primary roles that glycolysis plays?The first stage of cellular respiration is it. In glycolysis, sugar molecules are disassembled to produce the energy needed for cellular metabolism. It takes place in the cell's cytoplasm. The primary objective of metabolism is to create hundreds
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a tank contains helium gas at 490 mmhg, nitrogen gas at 0.75 atm, and neon at 520 torr. what is the total pressure in atm
The total pressure in atm is 2.08 atm.
The sum of all the individual partial pressures of each gas collectively gives the total pressure of the mixture of gases.
Given that, a tank contains :
helium gas at 490 mmhg
nitrogen gas at 0.75 atm
neon at 520 torr
To find: Total pressure in atm
∵ P(total) = P(He) + P(N₂) + P(Ne)
we know that,
760 mm Hg= 1 atm= 760 torr
now, we will convert the units of partial pressures of each gas to atm.
P(He)= [tex]\frac{490 torr}{760 torr/atm}[/tex] = 0.645atm
P(Ne) =[tex]\frac{520 torr}{760 torr/atm}[/tex]=0.684
P(N₂) = 0.75 atm
sum of the partial pressures will give the total pressure i.e
P(total) =(0.645+0.684+0.75)atm
P(total)=2.08 atm
Hence, the total pressure obtained after adding the partial pressures of the gases is 2.08 atm.
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mcpba draw one of the two diasteromers of the major product from this reaction use wedge and dash bonds to indicate sterochemistry where appropriate ignore inorganic byproducts
A molecule's three-dimensional structure, with simple lines representing plane links, wedge-shaped lines representing bonds facing the observer, and dashed lines representing bonds Stereochemistry facing the viewer's opposite.
Stereochemistry is the study of a molecule's three-dimensional structure. The only structural difference between cis and trans isomers, which are types of stereoisomers, is where the molecule's elements are located three dimensionally. The chemical and physical properties of these stereoisomers may differ. Stereochemistry is a branch of chemistry concerned with "the study of the various spatial configurations of atoms in molecules." The systematic presentation of a specific area of science and technology, known as
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How do valence electrons affect atoms and where are these located?.
The valence electrons present in the outermost shell of the atom and the valence electrons affect the atom as it cause the atom to be reactive or unreactive.
The valence are the electrons which are present in the last shell or the outermost shell of the atom. the valence electrons takes part in the formation of a chemical bond. The number of valence electron in the atom will decide the the atom is highly reactive or it is non reactive. the valence electrons will decide that the atom will gain the electrons or will loose the electrons.
Thus, valence electrons affect the atoms as they decide the reactive of the atoms.
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In the reaction of zn with hcl, 140. 15 g of zncl2 was actually formed, although the theoretical yield was 143 g. What was the percent yield?.
The stated statement indicated that the yield was 98%.
With an example, what is reaction?When one or much more chemicals are transformed into one other compounds, a chemical reaction takes place. An illustration of this is when iron as well as oxygen combine to make rust. Vinegar as well as baking soda together result in the production of water, carbon dioxide, and sodium acetate. burning or exploding objects
Briefing:
Percent yield = 98%
Actual ZnCl2 yield was 140.15 g.
ZnCl2 theoretical yield = 143 g
Actual yield divided by theoretical yield is 100 percent yield.
Percent yield = (140.15 g/ 143 g)× 100
Percent yield = 0.98 × 100
Percent yield = 98%
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consider the structure of 3,4-dichloronitrobenzene. benzene ring with carbons numbered starting at top and working around clockwise. there is a nitro group at carbon 1, a chlorine at carbon 3, and another chlorine at carbon 4. a nucleophile added to this reaction will most likely start by attacking carbon
The reaction would start by attacking chlorine first as it is the most electronegative element present.
Electronegativity is determined by the number of electrons it can take. According to the periodic table the electronegativity increases down the group.
In the given question, 3,4- dichloronitrobenzene is a cyclic compound, as benzene is itself a cyclic compound. The nucleophile would start attacking the chlorine group first as it is the most electronegative element of the group.
Whenever a nucleophile attacks, it first starts attacking the most electronegative element as it would easily take up electrons and would form a bulk.
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compare solution a and solution b in each label and drag the label to the appropriate concentration description.
olution A = 0.5mM and Solution B = 100mm
Solution A = 2 mM of n+3 and Solution B = 1 M n+1
Solution A = 3.5mg/dL and Solution B = 3.7mg/dL
Solution A = 0% (w/v) and Solution B = 0% (w/v)
Solution A = 10-3 M and Solution B = 10-5M
Solution A = 12.23% (w/v) and Solution B = 12.3% (w/v)
Substance A is more conentrated than B
Equal concentrations
Substance B is more concentrated than A
A) Solution B of 100 mM is more concentrated than Solution A of 0.5 mM.
B) Solution B of 3.7mg/dL is more concentrated than Solution A of 3.5mg/dL.
C) Solution A = 0% (w/v) and Solution B = 0% (w/v) equal concentrations.
D) Solution A of 10⁻³ M is more concentrated than Solution A of 10⁻⁵M.
E) Solution B of 12.3% (w/v) is more concentrated than Solution A of 12.23% (w/v)
What is concentration?In chemistry, concentration can be described as the abundance of components divided by the total volume of a solution. Several kinds of mathematical descriptions can be distinguished: mass concentration, number concentration, molar concentration, and volume concentration.
The concentration is defined as the kind of chemical mixture, but most frequently refers to solutes and solvents in solutions. The molar concentration has variants, such as osmotic concentration and normal concentration.
Molarity, molality, Normality, and weight/ volume percentage are also used to define the concentration of the solution.
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Sodium hydroxide is a very reactive strong base. What is the chemical formula for sodium hydroxide?.
NaOH is the chemical formula for sodium hydroxide.
Sodium hydroxide is one of the inorganic compounds. Sodium hydroxide consists of Sodium ([tex]Na^{+}[/tex]) cations and Hydroxide ([tex]OH^{-}[/tex]) anions. Sodium Hydroxide can also be called Sodium oxidanide or caustic soda or Iye. The PH level of Sodium hydroxide is 10. Sodium hydroxide is corrosive in nature. It can cause severe burns on the skin and can cause damage to the eyes. Sodium hydroxide is white and odourless. It is water-soluble i.e. it can easily dissolve in water.
Sodium hydroxide can be used in various manufacturing processes. It can be used in the manufacturing of detergents and soaps. It can also be used as a drain cleaner. We can even use sodium hydroxide in the production of bleach. Other uses of Sodium hydroxide are canning, removal of heavy metals, food preservatives, paper making and recycling.
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cu has an anomalous electron configuration. write the observed electron configuration of cu . express your answer in complete form in order of orbital filling. for example, 1s22s2 should be entered as 1s^22s^2.
The electron configuration of copper is 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1 3d^10.
The electron configuration of an element (in this case; copper) illustrates how electrons are distributed in its atomic orbitals.
The atomic number of copper is 29 and it is a d-block element. According to the Aufbau principle, the electrons fill atomic orbitals of the lowest energy levels first, before filling the higher energy levels in the ground state of an atom or ion.
However, a completely filled d-shell is more stable naturally. Therefore, one electron from the 4s shell goes into the d-orbital so that the copper atom can attain stability.
As a result, when a copper atom loses an electron, it goes out from the 4s shell first.
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Give the relative rates of reaction of the four carboxylic acid derivatives below with methylamine to give an N-methyl amid Most reactive 2nd most reactive 3rd most reactive Least reactive
The second most reactive of the four carboxylic acid derivatives' relative reaction rates.
What do carboxylic acids do in the body?However, carbonic acid, not carboxylic acid, is present in human blood. It performs its function in the respiratory system, where it is in charge of concluding the hormonal process that enables breathing. The process is as follows: Blood is transported to the tissues and organs after it has been oxygenated.
Is carboxylic acid bad for people?The screening assessment resulted in the conclusion that none of the four chemicals in the carboxylic acid group are hazardous to the environment or to human health at the present exposure levels.
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fluoride is a good example of how solvent identity can affect nucleophilicity because fluoride is a nucleophile in a polar protic solvent but a nucleophile in a polar aprotic solvent.
The fluoride ion is frequently utilized in organic nucleophilic processes as both a nucleophile and a leaving group, particularly in arene chemistry.
What is Nucleophilicity ?A functional group within another molecule that lacks electrons is replaced by an electron-rich chemical species in a chemical reaction known as a nucleophilic substitution. The substrate is the molecule that consists of the electrophile and the leaving functional group.
An important family of reactions that enable the interconversion of functional groups is nucleophilic substitution reactions. By using the tosylates (R-OTs), a different way of converting the -OH to a better leaving group, the variety of substitution reactions that are conceivable for alcohols can be expanded.
Why Fluoride is a nucleophile ?In polar protic fluids, the fluoride ion F is typically not a nucleophilic species. It is an extremely potent H-bond acceptor because it is the smallest single anion with the biggest negative charge. Its poor polarizability and these characteristics make it a weak nucleophilic species in protic liquids.
You don't interact with the solvent as much while you're in an aprotic solvent. Finally, fluoride is actually the best nucleophile in this circumstance, followed by chloride, bromide, then iodide. So you're moving toward simplicity in this situation.
Since fluorine is the smallest atom and atom size is more important than electronegativity when evaluating the stability of atoms in the same column, fluorine is the most nucleophilic element in polar aprotic solvent. Being the smallest, although being the most electronegative, it is also the least stable and most nucleophilic.
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all of the following are cofactors used in the reaction catalyzed by pyruvate dehydrogenase except .
Thiamine pyrophosphate is not the cofactor used in the reaction catalyzed by pyruvate dehydrogenase.
An essential regulatory enzyme known as pyruvate dehydrogenase (PDH) bridges the aerobic TCA cycle to anaerobic glycolysis by catalyzing the conversion of pyruvate into acetyl-CoA.
The citric acid cycle and subsequent oxidative phosphorylation are linked to the glycolysis, gluconeogenesis, and lipid and amino acid metabolism pathways by the pyruvate dehydrogenase complex (PDH).
Three catalytic enzymes, two regulatory enzymes, and a binding protein are all present in PDC. Additionally, TPP, lipoic acid, and flavin adenine dinucleotide are necessary cofactors (FAD).
Pyruvate dehydrogenase does not require thiamine pyrophosphate as a cofactor. It works with living systems. Coenzyme called thiamine pyrophosphate is involved in the metabolism of lipids, amino acids, and carbohydrates.
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How long does it take for lemonade to mold?.
Lemonade that has been refrigerated continuously will keep for 7 to 10 days after opened.
To extend the shelf life of opened lemonade, freeze it: to freeze lemonade, store in an airtight container with at least 1/2-inch headspace at the top, because lemonade expands when frozen. Lemonade that has been left out for more than two hours (including overnight) should be discarded unless it is in an unopened, shelf-stable package. Even if there are no signs of spoilage, the lemonade may contain dangerous levels of bacteria and toxins produced by those bacteria.
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Lysergic acid diethylamide (LSD) is a psychedelic drug that stimulates the reward pathway, among other effects. Which of the following is a possible mechanism of how it affects neurons?
a) LSD molecules block the release of dopamine from axon terminals.
b) LSD molecules promote the reuptake of dopamine into the presynaptic neuron.
c) LSD molecules catalyze the breakdown of dopamine in the synaptic cleft.
d) LSD molecules act as an agonist and bind to dopamine receptors
d) LSD molecules act as an agonist and bind to dopamine receptors
According to the given statement LSD molecules catalyze the breakdown of dopamine in the synaptic cleft.
The correct option is C.
How a molecule is formed?A molecule is the term used to describe the aggregate of atoms that results from the formation of covalent bonds. Therefore, we might claim that what an atom is the most basic component of a covalent composite. The two atoms Na+ and Cl- form a crystal-like lattice in salt, an ionic compound. There are many sodium chloride molecules in salt water.
How come salt is not a molecule?Table salt (NaCl) is a complex because it contains two different types of elements (sodium and chlorine), but it also not a molecule because of the ionic bond that holds it together. A lot of atoms are bound together to form gas molecules.
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a 600.0 ml sample of neon gas exerts a pressure of 0.50 atm. if expanded until the pressure is 0.125 atm, what will be the final volume of the sample?
A 600.0 ml sample of neon gas exerts a pressure of 0.50 atm. if expanded until the pressure is 0.125 atm. If it is expanded until the pressure is 0.125 atm, the final volume of a sample is 2400 ml.
The Boyle's law states that the temperature of the given mass of a gas is constant, when the product of the pressure and the volume is constant. It is written in mathematical form as
P₁V₁=P₂V₂
Where, P₁=0.50 atm
V₁=600.0 ml
V₂=?
P₂=0.125 atm
Rearrange the formula for V₂
V₂=(P₁V₁/P₂)
Plug all values in the formula
V₂=(0.50atm×600.0ml/0.125atm)
V₂=(300 ml/0.125)
V₂=2400 ml
Therefore, the final volume of a neon gas sample is 2400 ml.
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what is the mass of agno3 that is present in 'solution 3'? (please use three significant figures for your answer) grams.
The mass of AgNO₃ present in the given solution will be 5.31grams.
The molality is defined as moles of solute, which in your case is silver nitrate, per kilogram of the solvent. This means that the solution's molality essentially tells about the number of moles of solute present in 1 kg of solvent.
In this case, a 0.250 molal solution would contain 0.250 moles of solute for every 1 kg of solvent. The problem tells that we have 125 g of solvent available. Using the solution's molality as a conversion factor to calculate how many moles of silver nitrate it must contain and we should not forget to convert the mass of solvent from grams to kilograms
Now, we know that silver nitrate has a molar mass of 169.87 g mol⁻¹, which means that the one mole of silver nitrate has a mass of 169.87 g
We can thus say that 0.03125 moles of silver nitrate will have a mass of 0.03125 moles of AgNO₃ × 169.87/ 1 mole of AgNO₃
=5.31g
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which of the alkenes above is the least stable (highest in energy)? a which is the most stable (lowest in energy)?
The alkenes mentioned above are in order of decreasing stability and increasing energy with Stability the most secure (lowest in energy).
Why is alkene important?Alkenes have a variety of uses in manufacturing. They serve as the raw ingredients for the synthesis of alcohols, polymers, lacquers, detergents, and fuels. Acetylene, propene, and 1,3-butadiene are the three most significant alkenes for the chemical industry.
How alkenes are formed?Elimination processes, which remove two atoms from adjacent carbon atoms to create a double bond, are typically used to create alkenes. Dehydration of alcohols, dehydrohalogenation of halides, and dehalogenation of alkanes are all steps in the preparation process.
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all atoms of the element potassium have 19 protons. one of the most stable types of potassium atoms has the mass number 39. how many neutrons make up oneof these protassium atoms
20 neutrons makeup one of these potassium atom.
What is atom?
atom is a particle of the matter that uniquely defined as a chemical elements . An atom is consist of a central nucleolus that is surrounded by one or more negetively changed of electrons.
For atoms in the periodic table, the given mass number is the sum of the number of the protons (also called the atomic number) and the number of the neutrons inside its nucleus. Mathematically,
mass number = atomic number + number of neutrons
Substituting, 39 = 19 + n = 39 - 19 = 20
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how many ml of a 0.129 m aqueous solution of nickel(ii) fluoride, , must be taken to obtain 1.35 grams of the salt?
Our final response will be 2.33 grams because this is gramper mole and cancel this.We consequently just require 2.33 g of nickelori to create our solution.
Find the solution ?In order to create our accua solution, which has a concentration of 0.193 molaso, we are figuring out how much nicephoride is needed.It's important to keep in mind that molarity is equal to a small number of moles of solution multiplied by the volume of solution that should be in the thirst.As a result, we multiply the solution's molarity by 0.19 feet and plug in the volumes to find the amount of moles of nikosfluoride.When we convert them to ethereal, 1 beacon will be able to cancel, therefore this is moleplitere multiplied by the volume of the solution, which is 125 l.We have 0.0241, and the remaining units are moles.Since we're trying to solve for mass in this case, we need to multiply as we have the number, and the 2 will be converted to 0.241. This is an emu mole.This result is the product of the number of moles and the molar mass of nikochloride.That makes 96.69.Our final response will be 2.33 grams because this is gramper mole and cancel this.We consequently just require 2.33 g of nickelori to create our solution.To learn more about molarity refer
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Which chemical formula represents the composition of a mineral that usually exhibits fracture.
The chemical formula represents Fe, Mg(2SiO4) the composition of a mineral that usually exhibits fracture.
Fe, Mg(2SiO4) is a mineral known as olivine, which is composed of iron, magnesium, and silicate.
It is an abundant mineral found in many igneous and metamorphic rocks. It is recognized by its bright green color and hardness of 6.5-7 on the Mohs scale.
Olivine is used in many industrial applications, including abrasives, ceramics, and glassmaking.
It is also used in the production of animal feed and fertilizers. Olivine is also a source of magnesium and iron, which are important nutrients for plants and animals.
This mineral has the special property of exhibiting fracture without cleavage in its structure.
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at what temperature will a sample of neon gas exert a pressure of 0.750 atm and exhibit a density of 1.45 gl?
A sample of neon gas exert a pressure of 0.750 atm and exhibit a density of 1.45 g/L wil have temperature at 63°K
temperature of sample of neon gas exert a pressure of 0.750 atm and exhibit a density of 1.45 g/L can be calculate as follows
Calculating the temperature if we knew the density of a gas usually involves combining the formula for density (mass divided by volume) and the ideal gas law (PV = nRT).
ρ = PM/RT, where M is molar mass, mollar mas of neon is 10
from this formula we can conclude
T = PM/ ρR
T = 0.750 atm x 10 g/ mol
1.45 g/L x 0.0821 L·atm/mol·K
T = 63°K
Therefore, a sample of neon gas exert a pressure of 0.750 atm and exhibit a density of 1.45 g/L wil have temperature at 63°K
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2-chlorohexane naoch3 in methanol draw the molecule on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars.
2-chlorohexane NaOCH₃ in methanol is the example E2 elimination reaction the reaction is given as :
CH₃CH₂CH₂CH₂CHClCH₃+ NaOCH₃ + -----> CH₃CH₂CH₂CH=CH₂CH₃
CH₃OH
It is an example of the E2 elimination reaction . the presence of solvent is as methanol. The major product will form is the hex- 2- ene , according to the Zaitsev rule. E2 mechanism is bimolecular elimination. the configuration will be E configuration. E2 is the single step elimination reaction.
CH₃CH₂CH₂CH₂CHClCH₃+ NaOCH₃ + -----> CH₃CH₂CH₂CH=CH₂CH₃
CH₃OH
Thus, 2-chlorohexane react with NaOCH₃ in the presence of methanol is the example E2 elimination reaction and the reaction is given as :
CH₃CH₂CH₂CH₂-CHCl-CH₃ + NaOCH₃ -----> CH₃CH₂CH₂CH=CH₂CH₃
+ CH₃OH
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_____ is needed for DNA synthesis, protein metabolism, wound healing, growth, development of sexual organs, and white blood cell formation.
Zinc
Zinc is needed for DNA synthesis, protein metabolism, wound healing, growth, development of sexual organs, and white blood cell formation.
Zinc is the vital mineral required for the DNA synthesis, the cell division, growth wound healing and cell formation. zinc is needed for the development the and the function of the most body parts. Zinc regulates the DNA synthesis. zinc also effect the hormonals regulation of the cell division. in general DNA polymerase do not appear the zinc. zinc is the important mineral.
Thus, Zinc is needed for DNA synthesis, protein metabolism, wound healing, growth, development of sexual organs, and white blood cell formation.
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What is the process of lactic acid fermentation?.
Lactic acid fermentation can be defined as a metabolic process by which glucose or other six-carbon sugars are converted into cellular energy and the metabolite lactate, which is the lactic acid in solution.
What is Lactic acid fermentation?Lactic acid fermentation can be described as a metabolic process by which glucose or disaccharides of six-carbon sugars such as sucrose or lactose are converted into cellular energy and the metabolite lactate.
This process is an anaerobic fermentation reaction that happens in some bacteria and animal cells, such as muscle cells. In many organisms, if oxygen is present in the cell will bypass fermentation and continue with cellular respiration.
However, facultative anaerobic organisms will undergo both fermentation and respiration in the presence of oxygen. Sometimes when oxygen is present and aerobic metabolism is occurring in the mitochondria, if pyruvate is growing up faster than it can be metabolized, the fermentation will occur anyway.
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What is the most effective method of communicable disease?.
One of the most crucial and successful methods for preventing the transmission of infections and diseases is by properly washing your hands. Use simple soap and water to thoroughly wash your hands.
What do you mean by disease?Any undesirable variation from an organism's normal structural and functional condition is referred to as a disease. Diseases typically have specific signs and symptoms and are different from physical injuries in nature.
What are the various sorts of disease?There are four main categories of disease: physiological diseases, hereditary diseases (covering both genetic disorders and non-genetic hereditary diseases), deficient diseases, and infectious diseases. Another approach to categorize diseases is according to whether they are contagious or not.
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What are the advantages of storing carbon dioxide in the ocean?.
This organic storage process is sped up by CO2 storage in the ocean. Transporting CO2 from the atmosphere to the deep ocean, where it will eventually end up and cause less harm, is its function.
What is the purpose of carbon?It burns coal, methane gas, and crude oil for energy (which is used to make gasoline). Plastic and steel alloys, among other materials, are made with it. Even black paint and printer ink are produced with it.
The location of carbon.Most of the carbon on Earth is preserved in rocks and sediments, with the remainder found in the ocean, atmosphere, and living things. These serve as the sinks or reservoirs where carbon cycles take place.
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in n2o, nitrogen is the central atom and the oxygen atom is terminal. in of2, however, oxygen is the central atom. use formal charges to explain why.
In N2O, nitrogen is the central atom and the oxygen atom is terminal. in OF2, however, oxygen is the central atom O being in center gives 0 formal charges to all atoms. Hence, the structure is stable.
If it has two bonds and two lone pairs, as in case of water, it will have a formal charge of zero. If it has one bond and three lone pairs, as in case of hydroxide ion, it will have a formal charge of 1−. If it has three bonds and one lone pair, as in case hydronium ion, it will have a formal charge of 1+.
For N2O, N has 5 valence electrons, O has 6 valence electrons. Total valence electrons are 16.
The formal charge here can be calculated as:
Formal charge = valence electron in neutral atom - 1/2 (number of bond pairs - number of lone pairs)
FC (terminal N) = 5 - 1/2 (6-2) ⇒ 0
FC (central O) = 5 - 1/2 (8-0) ⇒ +1
FC (O) = 6 - 1/2(2-6) ⇒ -1
This means structure I is more stable as it has negative charge on O, which is more electronegative.
For OF2, O has 6 valence electrons, F has 7 valence electrons. Total valence electrons are 20. The possible structure is:
FC (F) = 7 - 1/2 (2-6) ⇒ 0
FC (O) = 6 - 1/2 (4-4) ⇒ 0
So, O being in center gives 0 formal charges to all atoms. Hence, the structure is stable.
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What happens on an atomic level when a reaction between two elements such as sodium and chlorine results in two oppositely charged ions?.
When a reaction between two elements such as sodium and chlorine results in two oppositely charged ions on an atomic level, they combine to form an ionic compound where sodium looses its one electron and chlorine gains that one electron.
How do elements result in oppositely charged ions?Electrons are lost and gained when ionic bonding occurs. This includes an attraction between positively and negatively charged ions to form ionic networks and are called ionic compounds.
The atoms losing one or more electrons becomes a positively charged ion called cation while the gained electrons become negatively charged ions called anion.
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TRUE/FALSE. if you have two samples that have the same mass but are composed of different elements, then both have the same formula mass one sample will have more atoms than the other both have the same number of atoms
If you have two samples that have the same mass but are composed of different elements, then both have the same formula mass both have the same number of atoms is true.
The atoms that have different elements but have same mass number are called as isobar. the number of the particles in the compound is called as Avogadro's number . it does not depend on mass number . 1 mole of substance contains 6.022 × 10²³ atoms.
Thus, it true that that two samples that have the same mass but are composed of different elements, and then both have the same formula mass both have the same number of atoms.
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