BRAINLIESTTT ASAP!

1. What do atoms consist of?

Elements
Compounds
Charged and uncharged particles
Neutrons moving around a nucleus

2. Which statement is true about sodium chloride (NaCl)?

It is a salt because it decreases the concentration of metallic ions.
It is an acid because it is formed by the reaction of a salt and an acid.
It is a salt because it is formed by the reaction of an acid and a base.
It is an acid because it increases the concentration of nonmetallic ions.