Answer:
The elements mass number is 147
Explanation:
They separate because of different densities.
Answer:
<h2>9 g/mL</h2>
Explanation:
The density of a substance can be found by using the formula

From the question we have

We have the final answer as
<h3>9 g/mL</h3>
Hope this helps you
<span>Elements are classified as metals, nonmetals, or metalloids according to their PHYSICAL PROPERTIES</span>
The answer is D. If you've ever had table salt before you know it's not poisonous or nearly as reactive as sodium. When the two combine, they produce a new pure substance with different properties from the original reactants.