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Vedmedyk [2.9K]
2 years ago
6

What is the composition of the nuclei modeled by these symbols? How many protons and neutrons?

Chemistry
1 answer:
gayaneshka [121]2 years ago
6 0

There are six protons and eight neutrons present in the carbon atom as shown.

<h3>What is the nucleus?</h3>

The nucleus of an atom consists of its protons and its neutrons. The protons are positively charged while the neutrons have no charge.

From the symbol of the element as shown in the question, we can see that there are six protons and eight neutrons present.

Learn more about nucleus of atoms:brainly.com/question/10658589

#SPJ1

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I believe it would be the sum of protons & neutrons which equals 9 amu....
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motikmotik

Answer:

The lowest temperature at which a substance melts

Explanation:

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If 10.7 grams of NH4Cl is dissolved in enough water to make 800 mL of solution,what will be it's molarity
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<h3><u>Answer;</u></h3>

Molarity = 0.25 M

<h3><u>Explanation;</u></h3>

Molarity is given by moles/Liter.

First we find moles:

Number of moles = Mass /molar mass

= (10.7g NH4Cl)/(53.5g/mol NH4Cl)

= 0.200 moles NH4Cl  

Then  we convert to liters:

= (800mL)*(1L/1000mL) = 0.800L  

Therefore; molarity = 0.2moles/0.8L

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