nordan
contestada

Ions that are made of more than one atom are examples of
a.polyatomic ions.

b.negative ions.

c.positive ions.

d.neutral ions.

Respuesta :

These ions are polyatomic ions. The prefix "poly-" means "many," and the rest of the word "atomic" clearly refers to the atoms themselves. So, if there are two or more atoms in an ion, this ion is polyatomic. 
letter A is your answer