Which Electronic Configuration(s) Listed Below Is(are) Correct for the Elements

question 49

Multiple Choice

Which electronic configuration(s) listed below is(are) correct for the elements provided?
I. Nitrogen 1s²2s²2p³
II. Tin [Kr]5s²4d¹⁰5p²
III. Bromine 1s²2s²2p⁶3s²3p⁶3d¹⁰4s²4p⁷

• A) I only
• B) I and II
• C) I and III
• D) II and III
• E) All of these

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