How many atoms does a molecule of sodium chloride contain?

Answers

Answer 1

Answer: 2, for every one Na you will have 1 Cl.

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The greenhouse effect A. is caused by pollution released into the atmosphere
B. does not occur naturally
C. is a naturally occurring process
D. needs to be reversed to save the planet

Answers

The greenhouse effect C. is a naturally occurring process. What many people fail to realize is that the greenhouse effect is what keeps our Earth warm and habitable for us to live on. Without the greenhouse effect, the Earth would be colder and would not be able to sustain life.

True or False?
A strong acid is safe as long as it's in a dilute solution

Answers

It should be true because a dilute solution is a mixture that has only a little solute dissolved in a certain amount of solvet.So true

true.(i think) if I'm wrong ask a friend who knows

How many electrons can be held in the second orbital (closest to the nucleus)

Answers

The number of electrons that can be held in the second orbital (closest to the nucleus) is 8 electrons

How to determine the number of electrons in the 2nd orbital?

The arrangementof electrons in various energy levels or orbital follows a well defined order. This can be determined by using the following formula:

Number of electrons = 2n²

Where

n is the number of orbital/shell

Now, we shall obtain the number of electrons in the second orbital. Details below:

Number of shell = 2
Number of electrons =?

Number of electrons = 2n²

= 2 × 2²

= 2 × 4

= 8 electrons

Thus, the number of electrons in the second orbital is 8 electrons

Learn more about number electrons in energy levels:

brainly.com/question/28066225

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the orbital is called an energy level and they follow an 2/8/8 rule.
2 in the first
8 in the second
and
8 in the third.
so 8 would be the answer.

Name at least 4 other gases in the atmosphere besides oxygen and nitrogen

Answers

HELIUM
KRYPTON
CARBON DIOXIDE
HYDROGEN

Argon,Carbon dioxide,Neon,Helium, and Methane

Ethanol contains the elements carbon, hydrogen, and oxygen. When ethanol burns, it chemically reacts with oxygen gas.C2H6O + O2
ethanol oxygen gas

What elements will be present in the substances that are created when ethanol burns?
A.
nitrogen, sulfur, and sodium only
B.
carbon, hydrogen, and oxygen only
C.
the elements cannot be determined
D.
carbon and hydrogen only
correct answer is B I answered my own question! lol

Answers

Answer: The correct answer is Option B.

Explanation:

Every balanced chemical equation follows law of conservation of mass. This law states that mass can neither be created nor be destroyed but it ca only be transformed from one form to another form.

In a chemical reaction, total number of individual atoms on the reactant side must be equal to the total number of individual atoms on the product side.

During a chemical reaction, the atoms on the reactant side must also be present on the product side.

For the given reactants, the chemical equation will follows:

$2C_2H_6O+6O_2\rightarrow 6CO_2+6H_2O$

As, the reactant side contained carbon, hydrogen and oxygen atoms only. So, the product will also contain the same atoms.

Hence, the correct answer is Option B.

B. carbon, hydrogen, oxygen

What would happen if a jar of helium gas was opened

Answers

The helium will float out and will be replaced by air if you open the air.

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What is the main difference between extensive and intensive physical properties?

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The flow of electrical charges in this is caused by energy differences and voltagea) voltage b) insulator c) current d) circuit