What makes the atomic radius change down a column of the periodic table?

O A. The greater number of total electrons, the larger the atomic radius.

O B. The more valence electrons listed, the larger the atomic radius.

C. The more sublevels occupied, the larger the atomic radius.

O D. The larger the highest energy level number, the larger the atomic

radius.

Question

Donna Matthews

Chemistry

10 December, 14:26

What makes the atomic radius change down a column of the periodic table?

O A. The greater number of total electrons, the larger the atomic radius.

O B. The more valence electrons listed, the larger the atomic radius.

C. The more sublevels occupied, the larger the atomic radius.

O D. The larger the highest energy level number, the larger the atomic

radius.

+5

Answers (2)

Know the Answer?

Jaylah Deleon · Answer 1

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Kierra Salas · Answer 2

As you go across a period, radius shrinks because you are adding protons. The added positive charge increases pull on the electron shells. So I believe the answer is D