1325ChemistryMedium
Which electronic configuration corresponds to an element of group IIIA ?
A1s2 2s2 2p3
B1s2 2s2 2p6 3s2 3p6 4s2 3d1
C1s2 2s2 2p4
D1s2 2s2 2p6 3s2 3p1
Correct answer
D. 1s2 2s2 2p6 3s2 3p1
Explanation
1s2 2s2 2p6 3s2 3p1 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.