3 years ago

What is a radioactive idotope?

2 answers:

5 0

An isotope is when a normal atom has too many neutrons and its weight has been offset.

4 0

Natural or artificially created isotope<span> of a chemical element having an unstable nucleus that decays</span>

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Law Incorporation [45]

Answer:

<h3>The answer is 10 g/mL</h3>

Explanation:

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

$density = \frac{mass}{volume} \\$

From the question

mass = 300 g

volume = final volume of water - initial volume of water

volume = 40 - 10 = 30 mL

We have

$density = \frac{300}{30} = \frac{30}{3} \\$

We have the final answer as

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