Based on the electron configuration of the two
atoms, predict the ratio of metal cationic (+) atom
to nonmetal anionic (-) atom in the compound.
Hydrogen 1s
Fluorine 1s22s22p5
A. 2:3
B. 1:2
C. 1:1
D. 3:2

Based On The Electron Configuration Of The Twoatoms, Predict The Ratio Of Metal Cationic (+) Atomto Nonmetal

Answers

Answer 1

Answer:

1 per 2 berarti a.2:3 berarti bagi bagi 1 22. 22 sama dengan 5


Related Questions

A candle is placed between a concave mirror and its focal point.
Which two of the following best describe the image?
O A. Enlarged
B. Virtual
C. Reduced
D. Real

Answers

Virtual and enlarged..............

What grade are you in btw ?

An unknown solution contains several chemical substances. By following a series of steps in a procedure, each of these substances can be isolated. Which of the following methods would be most appropriate for showing the steps needed to separate the substances?

A. Draw a diagram of apparatus used.
B. Create a flowchart of the various steps.
C. Build a model of the various atomic structures.
D. Construct a graph showing the times needed for each step.

Answers

Answer:

Create a flowchart of the various steps.

Explanation:

Answer:

A.

Explanation:

have a nice day^^ good morning

Which type of molecule is propanol?
A. Alcohol
B. Aldehyde
C. Ketone
D. Amine ​

Answers

Answer:

A

Explanation:

Alcohol is a type of molecule in propanol. Hence, option A is correct.

What is propanol?

Propanol molecular formula is C₃H₇OH.

C₃H₇OH contains -OH functional group which belongs to alcohol.

Hence, option A is correct.

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Which model represents a compound with a 1:2 ratio?

Please explain your answer.

Answers

Answer:

D

Explanation:

D is the correct answer due to the fact that they way they are connected has 2 purple atoms and 1 orange one. thus would create a 1:2 ratio with 1 orange atom and 2 purple atoms.

A would create a 2:3 ratio, B wouldn't create a ratio comparable to the others, and C creates a 1:1 ratio with a few purple atoms floating around them, making all of the answers except D invalid.

In the given figures, the name of the model representing a compound with a 1:2 is figure D.

What is molar ratio?

Molar ration of any compound gives idea about the ratio of the concentration of given constituents present in that compound.

In the figure A molar ratio is 2:3, in figure B molar ratio of given constituents is not given because each molecule is composed of same types of atoms, in figure C molar ratio of given constitutes particles is 1:1 and in the figure D molar ratio of constituents is 1:2. Because in figure D, two atoms of one element and 1 atom of another element is present.

Hence, figure D is correct option.

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Give reason. When the tip of a plant is cut, it does not grow tall.

Answers

Answer: The growth of the plant decides on the presence of plant hormone, auxin which develops in the roots and shoots. Auxins change the rate of elongation in plant cells, controlling how long they become. So, if the tips are removed, there is no auxin made and growth of the plant stops.

A 2.50-mL aliquot of a solution that contains 6.4 ppm iron(III) is treated with an appropriate excess of KSCN to form the Fe(SCN)21 complex and diluted to 50.0 mL. What is the absorbance of the resulting solution at 580 nm in a 2.50-cm cell

Answers

Answer:

In the final solution, the concentration of sucrose is 0.126 M

Explanation:

The number of moles of solute in the volume taken from the more concentrated solution will be equal to the number of moles of solute in the diluted solution. Then, the concentration of the first solution can be calculated using the following equation:

Ci · Vi = Cf · Vf

Where:

Ci = concentration of the original solution

Vi = volume of the solution taken to prepare the more diluted solution.

Cf = concentration of the more diluted solution.

Vf = volume of the more diluted solution.

For the first dillution:

26.6 ml · 2.50 M = 50.0 ml · Cf

Cf = 26.6 ml · 2.50 M / 50.0 ml

Cf = 1.33 M

For the second dilution:

16.0 ml · 1.33 M = 45.0 ml · Cf

Cf = 16.0 ml · 1.33 M / 45.0 ml

Cf = 0.473 M

For the third dilution:

20.0 ml · 0.473 M = 75.0 ml · Cf

Cf = 20.0 ml · 0.473 M / 75.0 ml

Cf = 0.126 M

In the final solution, the concentration of sucrose is 0.126 M

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using the formula F=ma, what force is required to accelerate a car weighing 642 kg at 13 m/s2


REALLY NEED HELP RN
HELP ME ?
PLEASE!??

Answers

Answer:

8,346 kmxm/s2

Explanation:

this is physics not chem but you just multiply 13 by 642 to get 8,346. also I'm sorry but it's easy

(QUICK)
What is the percent yield if the actual yield is 1.5g and the theoretical yield is 4.5g?

Answers

Answer:

33.3% (depending on how many significant figures you need)

Explanation:

Actual yield divided by theoretical yield times 100%

calculate the mass of 1 molecule of water and 100 molecules of glucose​

Answers

Explanation:

Mass of one atom of water = Mass of 1 mole / Avogadro's number

Mass of one atom of water = 18g/mol / 6.022×10²³molecules

Mass of one atom of water = 2.989 × 10^-23 g

Mass of glucose = 180(one molecule)

Mass of 100 molecules of glucose = 180×100 =18000

Element X has an electron configuration of 2-8-2. This element will combine with the oxide ion to form a compound with the formula

Answers

2+8+2 = 12 electrons
Magnesium has 12 electrons
Magnesium and oxide combine to for Magnesium Oxide
Mg^2+ + O^2- = MgO

BRAINLIEST TO CORRECT what would the cook time for 2 half-lives of the popcorn?

Answers

Answer:

Pop your popcorn for 2 minutes in the microwave but if you like to pop your popcorn old fashion get popcorn seeds and put them in an pot and then put a lid over it then pop it.

Explanation:


What is the molarity of a NaOH solution when 22.14 mL of 0.105 M oxalic acid is needed to
neutralize 25.0 mL of the base.

Answers

The molarity of the NaOH solution required for the reaction is 0.186 M

We'll begin by writing the balanced equation for the reaction

H₂C₂O₄ +2NaOH —> Na₂C₂O₄ + 2H₂O

From the balanced equation above,

The mole ratio of the acid, H₂C₂O₄ (nA) = 1

The mole ratio of the base, NaOH (nB) = 2

From the question given above, the following data were obtained:

Volume of the acid, H₂C₂O₄ (Va) = 22.14 mL

Molarity of the acid, H₂C₂O₄ (Ma) = 0.105 M

Volume of the base, NaOH (Vb) = 25 mL

Molarity of the base, NaOH (Mb) =?

MaVa / MbVb = nA/nB

(0.105 × 22.14) / (Mb × 25) = 1/2

2.3247 / (Mb × 25) = 1/2

Cross multiply

Mb × 25 = 2.3247 × 2

Mb × 25 = 4.6494

Divide both side by 25

Mb = 4.6494 / 25

Mb = 0.186 M

Therefore, the molarity of the base, NaOH solution is 0.186 M

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about distillation methods​

Answers

Answer:

Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation. Dry distillation is the heating of solid materials to produce gaseous products

Answer:

Explanation:

Distillation, or classical distillation, is the process of separating the components or substances from a liquid mixture by using selective boiling and condensation. Dry distillation is the heating of solid materials to produce gaseous products.

A car hits a bug with a force of 100N. With how much force does the bug hit the car?

(A). 10 N

(B). 100 N

(C). 1000 N

Answers

Answer:

B

Explanation:

actin and reaction force are equal Newton 3 law

ghjguygyughyyhghygyuguyg

Answers

Sir! I would have to tell that this is a educational website/app so please don’t type random letters in the question bar if you don’t need help with nothing.

what is the mass number of an atom that has six protons. six electrons, and eight neutrons?

Answers

Mass number is the sum of the total number of nucleons (neutrons + protons) present in the atom.

Mass number = Protons + Neutrons

Mass number = 6 + 8

Mass number = 14

_______

Hope it helps ⚜

Why do scientists use the scientific method?
A. It helps them do research that other scientists can understand.
B. It helps them ask questions that affect as many people as
possible.
C. It helps them make sure a certain question has not been asked
before.
OD. It helps them determine whether an idea is supported by evidence.
Help

Answers

Answer:

D

Explanation:

It helps determine whether an idea is supported by evidence

hope it helps please follow because I don't have any followers I have 0 followers

LAST ATTEMPT! Covalent compound naming !

Answers

S2Cl4- disulphur tetrachloride
C5Br8- Pentacarbon octachloride
Cl2O3- Dichlorine trioxide
H2S3- trisulfane
S3F4-
N6S3-
Si7O2-

S2Cl4 = Disulfur Tetrachloride

C5Br8 = N/A

Cl2O3 = Dichlorine trioxide

H2S3 = Trisulfane

Formula: N4S4 = Trisulfur Tetrafluoride

Formula: CBr4 = Hexanitrogen trisulfide

Formula: SiO2 = Heptasilicon

Carry learning!

Stay safe!

Study hard!

Convert 1.16 mol of calcium cyanide, Ca(CN)2, to mass.

Answers

here it the answers in pencil

Isomers are molecules that have the SAME molecular formula, but their atoms are bonded in a different way. Draw the 5 isomers of cyclopentane, C5H10 using Line Structural Diagrams only.

Answers

Answer:

1.methylcyclobutane

2.1-pentene

3.2-pentene(which can be Cis or Trans)

4.1,3-dimethylcyclopropane

5.ethylcylcopropane

I think these are it? I can't think of any other ones.

If 10.0 kg of water occupies 10.0 liters, what is the volume in quarts?

Answers

10.0 liters, if 10.0 answer 10.6 :)

is H2O polar or non polar?

Answers

Answer:

Explanation:

H2O is a polar molecule

Answer:

polar covalent molecule

Explanation:

the unequal sharing of electrons between the atoms and the unsymmetrical shape of the molecule means that water has two pole a positive and a negative.

What is the molecular geometry if you have a double bond, a single bond and 1 lone pair around the central atom?

Answers

Answer:

4 pairs are needed for the bonds, leaving 1 lone pair. Each double bond uses 2 bond pairs and can be thought of as a single unit. There are 2 double bond units and 1 lone pair, which will try to get as far apart as possible - taking up a trigonal planar arrangement.

The model below shows the equation that represents how hydrogen and oxygen combine to form water. In this chemical reaction, the reactants
are hydrogen gas and oxygen gas.
2H2 + O2 + 2H2O

True
False

Answers

Answer:

true

Explanation:

because they are balance

the sequence of stages an organisms go through from one generation to the next lace where an organism lives is called in​

Answers

Answer:

A life cycle is the sequence of stages an organisms goes through from one generation to the next. Organisms that reproduce sexually can have different types of life cycles, such as haploid or diploid life cycles.

Which of the following best represents a ​chemical change?

A. Chopping wood
B. Silver tarnishing (changing color)
C. Grape kool-aid mix dissolving in water
D. Dry ice turning into a gas (sublimation- a change of state)

Answers

B. silver tarnishing

A student reads that sodium atoms (Na) react with chlorine (Cl2) molecules to form the compound sodium chloride (NaCl). Which model should the student make to satisfy the Law of Conservation of Matter for the formation of sodium chloride, in simplest form?

Answers

Answer:

c

Explanation:

Law of Conservation of Matter for the formation of sodium chloride, in simplest form would be obeyed when 2 moles of sodium react with 1 ,mole of chlorine to form 2 moles of sodium chloride.

What is law of conservation of matter?

According to law of conservation of matter, it is evident that matter is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of matter and energy are related as matter has mass and mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of matter is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Antoine Lavoisier in the year 1789.

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How many grams of N2 are required to react with 4.2 moles of Mg in the following process?

3 Mg + N2 → Mg3N2? (Mg = 24.3 g/mol, N = 14.0 g/mol)

Answers

Answer:

x = 0.45*28/3 = 4.2 g

Explanation:

showing work

N2 = 28 g/mole

3Mg + N2 → Mg3N2

3moles .. 28 g

0.45 moles .. x

x = 0.45*28/3 = 4.2 g (answer)

Gold has a specific heat of 0.126 J/g.C. Copper has a specific heat of 0.386 J/g C. Which of the two metals would require more
heat energy to raise the temperature of the same weight of metal by 10.5C?

Answers

Answer:

The copper, because its specific heat is higher, meaning it takes more heat (Joules) per gram to raise the temperature 1 degree Celsius.

Explanation:

Question 13(Multiple Choice Worth 5 points)
(03.05 MC)

Liquid X has a pH of 7 and Liquid Y has a pH of 8.5. Which statement is true?

Liquid X is a base and Liquid Y is an acid.
Liquid X is an acid and Liquid Y is a base.
Liquid X is neutral and Liquid Y is a base.
Liquid X is an acid and Liquid Y is neutral.

Answers

Answer:

Liquid X is neutral and Liquid Y is a base

Explanation:

Acid: pH<7

Neutral: pH=7

Base: pH>7

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