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.
Atoms are made of charged and uncharged particles called Electrons, Neutrons, and Protons. Protons and Neutrons sit in the center or nucleus. Electrons orbit the nucleus. Answer: C.
#2 is C. It is a salt because of the reaction of an acid and a base.