Question

1) - 320kJmo
3) + 320kJmol-1 4) 160kJmol-
The electron affinity values of elements A, B,
C and D are respectively -135, -60, -200 and
-348kJ mol-1. The outer electronic configura-
tion of element B is
1) 3s2 3p6
2) 3s2 3p4
3) 3s2 3p3
4) 3s2 3p2​

Answer 1

Answer:

b is the right answer of your question