Column 1 | Column 2 |
(i) Cr
|
(a) [Ar]3d84s0
|
(ii) Fe2+
|
(b) [Ar]3d104s1
|
(iii) Ni2+
|
(c) [Ar]3d64s0
|
(iv) Cu
|
(d) [Ar] 3d54s1
|
(e) [Ar]3d64s2
|
Column 1 | Column 2 |
(i) Cr
|
(d) [Ar] 3d54s1
|
(ii) Fe2+
|
(c) [Ar]3d64s0
|
(iii) Ni2+
|
(a) [Ar]3d84s0 |
(iv) Cu
|
(b) [Ar]3d104s1 |