The valence electrons of (_{12}Mg) are in the

The valence electrons of (_{12}Mg) are in the

  • A.
    3s orbital
  • B.
    2p(_{x})
  • C.
    2s orbital
  • D.
    1s orbital
Correct Answer: Option A
Explanation

(_{12}Mg = 2, 8, 2)

(= 1s^{2} 2s^{2} 2p^{6} 3s^{2})

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