Answer:
a. because it is an element
Explanation:
its pure because it only has one type of atom, making it an element
I'd say b, but i'm not 100 percent sure.<span />
<span>the answer is
2.7 moles
</span>
Answer: Ionic Bond
Explanation: The electrostatic attraction that binds oppositely charged ions together. alloy. a mixture composed of two or more elements, at least one of which is a metal.
Hope this helped!