The Atomic Radius of Main- Group Elements Generally Increases Down

question 82

Multiple Choice

The atomic radius of main- group elements generally increases down a group because .

• A) the principal quantum number of the valence orbitals increases
• B) effective nuclear charge decreases down a group
• C) effective nuclear charge increases down a group
• D) effective nuclear charge zigzags down a group
• E) both effective nuclear charge increases down a group and the principal quantum number of the valence orbitals increases

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