Explain why sodium loses one electron and chlorine gains one electron in three or more sentences.

Answers

Answer 1

Answer:

Sodium and chloride form an ionic bond. Therefore the sodium atom loses one electron from its outer shell and the chlorine atom gains one electron. As this happens, the electron is transferred from the sodium atom to the chloride atom and so both atoms become ionic and have a full outer shell.


Related Questions

How many valence electrons are lost by Sr when forming SrI2?

Answers

Two
Hope this helped

Each atom in the bond contributes one valence electron, forming a shared pair in a single covalent bond. electrons that are  valence electrons of the atom. Two valence electrons are lost by Sr when forming SrI[tex]_2[/tex].

What is valence electron?

A valence electron is an electron that is part of an atom's outer shell in chemistry and physics. If the outer shell is open, the valence electron can take part in the creation of a chemical bond.

The electrons in the s and p orbitals are those that are in question. Core electrons are those found in the inner shell. These electrons are vital to the majority of chemical processes because they have higher energy than the electrons in inner orbits. The electrons farthest from the nucleus are the electrons that are  valence electrons of the atom. Two valence electrons are lost by Sr when forming SrI[tex]_2[/tex].

Therefore, two valence electrons are lost by Sr when forming SrI[tex]_2[/tex].

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a 50.0 ml beaker contains 680. g mercury what is the density of mercury

Answers

Answer:

5.43 grams

Explanation:

because, Its one of the smallest planets, and is also very close to the Sun.

Which of the following is equal to avogadros number?

A. The number of atoms of bromine in 1 mol Br2

B. The number of molecules of chlorine in 0.50 mol Cl2

C. The number of molecules of nitrogen in 1 mol N2

D. The number of atoms in 1 mol CO

Answers

Answer:

A. The number of atoms of bromine in 1 mol Br2

Explanation:

Hello?

In Avogadro's constant/ number, we talk about atoms in 1 mol and not molecules.

In Avogadro's constant/ number, we talk about atoms in 1 mol and not molecules. The solution will have also been C. But it is talking about molecules. Please bear in mind that molecules is based on grams that it an element contains overall.

I hope this helps. Have a nice studies.

Kinda confused on this. i need some help.​

Answers

Balancing chemical equations is like a small puzzle. The ultimate goal is to end up with the same number of atoms on both sides of the arrow.

To start, check to make sure it isn’t already balanced. If coefficients aren’t present, it’s assumed to be one. In this case, there’s just one aluminum on both sides, but the right hand side has one more fluorine than the left. This means that we’ll have to change the coefficients to make them match. Since we can’t multiply the two fluorines to make three with a whole number, we have to change this one and the one in front of the aluminum fluoride. Let’s put a 3 in front of F2 and a 2 in front of AlF3. So far, we have:

Al + 3F2 -> 2AlF3

Check the number of fluorines; sure enough, we have six on both sides. However, we’ve imbalanced the aluminums by balancing the fluorines. The fix is easy, though; change the coefficient from one to two in front of the aluminum to make them match. The result is therefore:

2Al + 3F2 -> 2AlF3

Check your element totals again; sure enough, they’re all balanced. This is the balanced chemical equation.

Hope this helps!

A 12.0 L helium balloon is inflated in an air-conditioned store at 21.0C. Assuming that the pressure remains constant, how large is the balloon when it is taken outside on a hot day at 40.0C?

Answers

The ballon will be 22.86L large when it is taken outside on a hot day at 40⁰C

According to pressure law, the volume of a given mass of gas is directly proportional to the temperature. This is expressed as:

V = kT

k = V1/T1 = V2/T2

Given the following parameters

V1 = 12.0L

T1 = 21⁰C

T2 = 40.0⁰C

Required

Final volume

Substitute the given parameters into the formula

12/21 = V₂/40

21V₂ = 12 * 40

21V₂ = 480

V₂ = 480/21

V₂ = 22.86L

Hence the ballon will be 22.86L large when it is taken outside on a hot day at 40⁰C.

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I can’t find the answer, can you help me please?

Answers

Answer: Warm ocean air then rises into the storm, then forming an area of low pressure underneath. :)

Explanation:

Which of the following examples involves an exothermic change.
a. ice melting on a warm day
b. water boiling in a tea kettle
c. gaseous water particles coming together to form fog
d. air in a bicycle tire gaining pressure after a long ride

Answers

Which of the following examples involves an exothermic change.

Answer : C

Explanation : Gaseous water particles coming together to form fog

Hope this helps you!

Gaseous water particles coming together to form fog is an exothermic change due to release of thermal energy.

What is exothermic change?

An exothermic reaction is defined as a reaction that releases heat energy to the surrounding environment. It include any combustion process, rusting of iron, and freezing of water.

In conclusion, we can say that Gaseous water particles coming together to form fog is an exothermic change due to release of thermal energy.

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Describe how you could adjust the settings of the simulation to increase the number of red (H3O+) and blue (A-) particles in the solution of equilibrium. In three to four sentences, justify your answer and explain how and why this would change the pH of the solution.

Answers

The circumstances that the system is exposed to may be altered in such a way as to cause a change in the chemical equilibrium. When we do this, we are said to be "stressing the balance."

In a chemical process that has reached equilibrium, one method is to either add or remove a product or a reactant. When more of a reactant is introduced, the equilibrium changes to alleviate the pressure, which results in the production of more products.

This is further explained below.

how and why this would change the pH of the solution.?

Generally,  When more product is introduced, the equilibrium moves away from products and toward reactants in an effort to lower the level of stress.

In the event that either the reactant or the product is withdrawn from the system, the equilibrium changes such that more of the corresponding substance is produced to compensate for the loss.

According to Ch/atelier's Principle, which claims that if a reaction in equilibrium is disturbed, the equilibrium will change to counterbalance that change, this indicates that if a reaction is in equilibrium, the equilibrium will alter to counteract that change.

If a solution has a large number of hydrogen ions, the pH of the solution will be low, and it will be classified as an acidic solution.

In conclusion, On the other hand, a solution is said to have a high pH and be in the basic state if it contains a low quantity of hydrogen ions in its composition.

The ratio of the concentration of hydrogen ions to the concentration of hydroxide ions is negative and inversely proportional.

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Perform the following mathematical operation, and report the answer to the correct number of significant figures.
0.34 x 0.568 = [ ? ]

Answers

Answer:

0.19312

0.19312 0.19312

How many metals, nonmetals and metalloids are there in the periodic table?

Answers

Answer:

There are 118 elements in the nature.

Metals s = 92

Non metals = 20

Metalloids Ms = 6

Explanation:

The primary way in which the amount of carbon dioxide in the atmosphere can be increased is by ____.

Answers

the burning of fossil fuels

Sulphuric acid (H2SO4) is titrated against 25.00cm3 of 0.200 mol/dm3 Sodium hydroxide solution (NaOH). It is found that 23.20 cm3 of sulphuric acid is required for neutralization. Calculate the concentration of Sulphuric acid

Answers

My answer,
Approximately 0.108 mol dm^-3

Explanations,
1. Make the balance chemical equation
2. Convert the 25 cm^3 to 0.025 dm^3 by multiplying 25 with 10^-3 (or 25 / 1000)
3. Concentration is equal to = moles of substance over volume of solution
4. Calculate how many number of moles present in 0.025dm^3 of sulphuric acid.

Mole = concentration x volume
^ rearranged from conc = mole/volume

Mole = 0.200 x 0.025 = 0.005 mol

5. Use the balance chemical equation ad mole ratio. In this case,

H2SO4 + 2NaOH —> 2H2O + Na2(SO4)

Thus the ratio between Sulphuric acid and Sodium Hydroxide is 1:2

Hence, the mole of H2SO4 is 0.005/2 = 0.0025 mol

6. Calculate the concentration of the sulphuric acid by using conc. = mole/volume

Hence the answer is 0.0025/(23.20 x 10^-3) = 0.108 mol dm^-3 rounded off at the 3 Sigfigs

I hope u understand sorry for any mistakes done.

When do forces occur?

Answers

Answer:

When there is an interaction between two objects.

Explanation:

Which is a common unbalanced force acting on objects in motion?
a. friction
b. speed
c. inertia
d. acceleration

Answers

Answer:

a. friction

Explanation:

What is a common unbalanced force acting in motion? Common forces that are often unbalanced include the force of gravity and applied forces. When these forces are unbalanced, objects accelerate, change their position and find new configurations for which all forces are again balanced.

Friction is a kind of force.

1) What is the most dangerous room in the world? How is it secured?

Answers

Answer:

Radioactive Basement in Chernobyl

"We had to be especially cautious near roads and in the city of Pripyat, there are regular security patrols in those areas. Unfortunately, the legal 'day' tours are not allowed to enter any of the buildings in Pripyat as the structural integrity of some buildings is questionable."

Explanation:

Which of the following correctly completes the statement?
Cations are always _____ than the parent atom and anions are always _____ than the parent atom.

Answers

Answer: smaller, larger

Explanation:

Cations are always {smaller} than the parent atom. Anions are always {larger} than the parent atom.

Cations are always smaller than the parent atom, and anions are always greater than the parent atom.

What is parent atom ?

The term "parent atom" refers to an atom that has not yet undergone any chemical transformation. A parent atom is one that is discovered in its initial state.

Because they contain fewer electrons while maintaining the same nuclear charge, cations are always smaller than their parent atoms. Because the protons in the nucleus are holding the remaining electrons more tightly, their radii are less than those of the parent atoms. In the case of anion, this is the opposite.

Due to variations in electron-electron repulsion, the ionic radii of cations and anions are always less or bigger than the parent atom, respectively. The trends in ionic radius follow those in atomic size.

Thus, Cations are always smaller than the parent atom, and anions are always greater than the parent atom.

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What is the mass of phosphorus that contains twice the number of atoms found in 14
g of iron?
[Relative atomic mass : P = 31; Fe = 56]

Answers

Answer:

15.5 gm

Explanation:

What is the mass of phosphorus that contains twice the number of atoms found in 14 g of iron?

[Relative atomic mass : P = 31; Fe = 56]

14 gm Fe = 14gm/ 56 gm/mole = 14 mole gm/56gm = 14/56 mole

0.25 moles

2 X 0.25 = 0.5 moles

1 mole P = 31 gm

so

0.5 moles P =31/2 =15.5 gm

You think you have found a diamond. Its mass is 5.28 g and its volume is 2 cm3.What did you find? What is its density?

Answers

2.64, density can be found by d=m/v

What compound is this?

Answers

Answer:

Carbon Tetrachloride

Explanation:

1 Carbon atom, 4 chlorine atoms (hence "tetra" prefix)

THIS IS DUE LIKE REALLY SOON I RLLY NEED HELP :,)

Answers

double displacement

is it possible for a molecule to have polar bonds and not have a net dipole?

Answers

Yes, an example of a molecule would be CO2, which has no dipole moment but does have two polar bonds. Although CO2 has no dipole moment, its charge distribution gives rise to a quadrupole moment

Pls help me, I’ll give 30 points

Answers

The amplitude increases

Suppose you discovered a Group 2 element that has an atomic number larger than radium (Ra). What do you expect the melting and boiling points to be? Explain.

Answers

Answer: The melting point would be lower and the boiling point would be higher

Explanation: From Beryllium to Barium the melting point and the boiling point were constantly decreasing. after that, Radium's boiling point starts to increase in temperature. So I would assume that if there was an element in group 2 with a higher atomic number than Radium it's melting point would continue decreasing while the boiling point increased.

When, we discovered a Group 2 element having an atomic number larger than radium (Ra). Then, we expect that the melting and boiling points of Group 2 elements generally decrease as you move down the group. This is because the outermost electrons are farther from the nucleus due to the increased number of electron shells.

Group 2 elements are alkaline earth metals, and they exhibit certain trends in their physical properties as you move down the group in the periodic table. Radium (Ra) is the last naturally occurring element in Group 2. If we discover a hypothetical Group 2 element with an atomic number larger than radium, it would likely be an artificially synthesized element, and its properties would be subject to speculation.

As we move down Group 2, the atomic number increases, and the elements have more electron shells. This leads to several trends:

Melting and Boiling Points:

The melting and boiling points of Group 2 elements generally decrease as you move down the group. This is because the outermost electrons are farther from the nucleus due to the increased number of electron shells. As a result, the metallic bonds that hold the atoms together weaken, making it easier to break the lattice structure and transition from solid to liquid or gas.

If the hypothetical Group 2 element has an atomic number larger than radium, it would likely have more electron shells and thus a lower melting and boiling point compared to radium. This trend follows the pattern observed in other Group 2 elements.

Density:

Group 2 elements also tend to become less dense as you move down the group. This is because the increase in electron shells leads to larger atomic sizes, and the increased atomic volume decreases the packing efficiency in the solid state.

A Group 2 element with an atomic number larger than radium would likely have a lower density than radium, following the trend observed in the rest of the group.

Reactivity:

Group 2 elements become more reactive as you move down the group. This is because the outermost electrons are farther from the nucleus and are more easily lost, leading to more vigorous chemical reactions, especially with water and oxygen.

The hypothetical Group 2 element might exhibit increased reactivity compared to radium and other elements in the group.

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A chemist who frequently carries out a complex experiment is
likely to have high:
a. Precision, but low accuracy
b. Precision
c.Accuracy, but low precision
d.Accuracy

Answers

Answer:

c.

Explanation:

This is because the chemist will get the average of the experiment from multiple attempts but not precision because the experiment is complex rather than simple.

The chemist will most likely have high accuracy, but low precision. A

chemist who has been performing experiments frequently will be accurate

when taking the required measurements for the experiment due to the

frequency.

Precision however won't be affected because precision deals with how

close his results from the experiment are. The complexity of the

experiment and the different variables used makes him likely to have low

precision.

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What’s boiling/melting point

Answers

Answer:

Melting point is the temperature at which solid and liquid phases of a substance are in equilibrium.

Boiling point is the temperature at which its vapour pressure is equal to the external pressure.

Answer:

melting point is the temperature at which a solid changes into a liquid.  

boiling point, temperature at which the pressure exerted by the surroundings upon a liquid is equaled by the pressure

Explanation:

What does it mean for a unit to be "derived"?

Answers

Answer:

you differentiate to find the derivative

Explanation:

Answer:

A derived unit is a unit that results from a mathematical combination of SI base units.

OR

A unit of measurement obtained by multiplication or division of the base units of a system without the introduction of numerical factors.

Explanation:

i dont know if that answered your question

How to round the number 314.77 to 2 significant figures

Answers

Answer:

发你如果热客人看看如果

Explanation:

Answer:

result = 310

significant figures =  2

Explanation:

How to round significant figures:

look the first non-zero digit if rounding to one significant figure, look the digit after the first non-zero digit if rounding to two significant figures. draw a vertical line after the place value digit that is required.look at the next digit.

result = 310

significant figures = 2

I need help with this

Answers

1. 26
2. 115
THIS IS TO REACH 20 CHARACTERS
1. 26
2. 115

I hope this helps:)

Why is it important to possess fundamental research skills in pursuing your study?

Answers

Answer:

Research Skills enable people to identify a problem, collect informational resources that can help address the problem, evaluate these resources for quality and relevance and come up with an effective solution to the problem.

Explanation:

It is important because it might increase you critical thinking skills and it's much more easy for you to collect data. It also helps you analyze information from different sources off the internet.

Why and how does heat transfer? When does it stop transferring?

Answers

The transfer of heat will continue as long as there is a difference in temperature between the two locations. Once the two locations have reached the same temperature, thermal equilibrium is established and the heat transfer stops.

Heat is transferred from a warm body to a cooler body. The temperature of the warm body drops while the temperature of the cooler body rises. When the two temperatures are equal, thermal equilibrium is attained, and the heat transfer stops.

Other Questions
Mr. Pontellier returned to his wife with the information that Raoul had a high fever and needed looking after, then, he lit a cigar and went and sat near the open door to smoke it. Mrs. Pontellier was quite sure Raoul had no fever. He had gone to bed perfectly well, she said, and nothing had ailed him all day. Mr. Pontellier was too well acquainted with fever symptoms to be mistaken, but he assured her the child was consuming at that moment in the next room. He reproached his wife with her inattention, her habitual neglect of the children. If it was not a mother's place to look after children, whose on earth was it? He himself had his hands full with his brokerage business, and he could not be in two places at once; making a living for his family on the street, and staying at home to see that no harm befell them. He talked in a monotonous, insistent way. Mrs. Pontellier sprang out of bed and went into the next room, but she soon came back and sat on the edge of the bed, leaning her head down on the pillow. She said nothing and refused to answer her husband when he questioned her. When his cigar was smoked out he went to bed, and in half a minute he was fast asleep. Mrs. Pontellier was by that time thoroughly awake. She began to cry a little and wiped her eyes on the sleeve of her peignoir. Blowing out the candle, which her husband had left burning, she slipped her bare feet into a pair of satin mules at the foot of the bed and went out on the porch, where she sat down in the wicker chair and began to rock gently to and fro.Select the correct answer.What is the best objective summary of the passage?A. A husband and wife argue over who should care for a sick child. The husband insists that he is too busy with business and accuses her of being a bad mother. She bursts into tears and leaves the house.B. 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