Which electronic configuration corresponds to an element of group IIIA ?

  • A 1s2 2s2 2p6 3s2 3p6 4s2 3d1
  • B 1s2 2s2 2p4
  • C 1s2 2s2 2p3
  • D 1s2 2s2 2p6 3s2 3p1

Explanation

The correct answer to the question is: 1s2 2s2 2p6 3s2 3p1