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.

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Allen Bright

Chemistry

6 October, 00:39

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.

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Cedric Evans · Answer 1

When electrons are added to the outermost shell of a carbon atom, it forms an anion that has a larger radius. An anion always has a larger radius than a neutral atom of the same element. This is because more electrons causes greater repulsion between its nucleus and electrons, making the electrons move farther away from the center.