Which term best describes hco3-

polyatomic anion
polyatomic cation
monatomic anion
monatomic cation

need asap

I believe it is a polyatomic anion

Explanation:

There are more than one atoms in the ion and it has a negative net charge.

Polyatomic anion

Explanation:

The given charged specie is:-

The species which are negatively charged are known as anions. They have gained electrons and become negatively charged.

The name of the given species is bicarbonate ion. The ion contains more than one atom of different kind. So, it is a polyatomic ion

Since, it is anion, so the option which describes it best is:- Polyatomic anion

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.