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Ksju [112]
3 years ago
9

The number of protons plus neutrons in the atom is called its?

Chemistry
2 answers:
Olegator [25]3 years ago
7 0
The mass number is protons plus neutrons
yKpoI14uk [10]3 years ago
5 0
This is the thing called the mass number of the thing
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Answer:

<h2>Density = 0.2 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

<h3>Density =  \frac{mass}{volume}</h3>

From the question the points are

mass = 6.8 g

volume = 34 mL

Substitute the values into the above formula and solve

That's

<h3>Density =  \frac{6.8}{34}</h3>

We have the final answer as

<h3>Density = 0.2 g/mL</h3>

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