When electrons are added to the outermost shell of a carbon atom, it forms

an anion that has a larger radius.

an anion that has a smaller radius.

a cation that has a larger radius.

a cation that has a smaller radius.

Verified Answer :

I believe it forms an anion that has a larger radius.

Answer:

an anion that has a larger radius.

Explanation:

When a neutral atom gains electrons it forms an anion, and when it loses electrons it forms a cation. The radius or size of an anion is greater than a neutral atom. The radius or size of an cation is smaller than a neutral atom.

When electrons are added to the outermost shell of a carbon atom, it forms an anion that has a larger radius.