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Answer :

Answer:

1.1s22s22p

Explanation:

Element Full Electron Configuration

A.) Nitrogen (Z = 7) 1s? 2s? 2p?

B.) Chlorine (Z = 17) 1s? 2s? 2p? 3s? 3p?

C.) Sodium (Z = 11) 1s? 2s? 2p? 3s?

D.) Beryllium (Z = 4) 1s? 2s?