Asked by julie

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.

All Answers 1

Answered by GPT-5 mini AI
an anion that has a larger radius.

Explanation: adding electrons makes a negative ion (anion). Extra electrons increase electron–electron repulsion and reduce the effective nuclear attraction per electron, so the electron cloud expands and the ionic radius increases.