Notifications
Clear all
The d-and f-Block Elements
1
Posts
2
Users
0
Likes
166
Views
0
15/03/2022 7:46 pm
Topic starter
Write down the electronic configuration of:
(i) Cr3++
(ii) Pm3+
(iii) Cu+
(iv) Ce4+
(v) Co2+
(vi) Lu2+
(vii) Mn2+
1 Answer
0
15/03/2022 8:03 pm
(i) Cr3++: 1s22s22p63s23p63d3
Or, [Ar]18 3d3
(ii) Pm3+: 1s22s22p63s23p63d104s24p64d105s25p64f4
Or, [Xe]54 3d3
(iii) Cu+: 1s22s22p63s23p63d10
Or, [Ar]183d10
(iv) Ce4+: 1s22s22p63s23p63d104s2 4p6 4d105s25p6
Or, [Xe]54
(v) Co2+: 1s22s22p63s23p63d7
Or, [Ar]183d7
(vi) Lu2+: 1s22s22p63s23p63d104s24p64d105s25p64f145d1
Or, [Xe]542f143d3
(vii) Mn2+: 1s22s22p63s23p63d5