Question

2. A group of atoms that acts as a single
unit and carries a charge is called a/an
a) polyatomic ion
c) molecule
b) ion
d) reactant​

Answer 1

Answer:

Polyatomic ions form covalent bonds in the group, but they form ionic bonds with the other ion. So they can be referred to as ionic compounds. They react with acids and bases as a single unit. They also take part in displacement and precipitation reactions.

Answer 2

Answer:

polyatomic ion is a group of atoms that acts as a single you need and carries a charge