give me all exceptions in electronic configuration (like fe 3+ ) and many more pls tell me fast but correct answer
Dear Student,
There is a general reason for the exception is for stability only the electronic configuration are slightly changed.
Period 4:
Chromium-24 [Ar] 3d54s1
Copper-29 [Ar] 3d104s1
Period 5:
Niobium - 41 [Kr] 5s1 4d4
Molybdenum-42 [Kr] 5s1 4d5
Ruthenium-44 [Kr] 5s1 4d7
Rhodium- 45 [Kr] 5s1 4d8
Palladium-46 [Kr] 4d10
Silver-47 [Kr] 5s1 4d10
Period 6:
Lanthanum-57 [Xe] 6s2 5d1
Cerium-58 [Xe] 6s2 4f1 5d1
Gadolinium-64 [Xe] 6s2 4f7 5d1
Platinum-78 [Xe] 6s1 4f14 5d9
Gold-79 [Xe] 6s1 4f14 5d10
Period 7:
Actinium-89 [Rn] 7s2 6d1
Thorium-90 [Rn] 7s2 6d2
Protactium-91 [Rn] 7s2 5f2 6d1
Uranium-92 [Rn] 7s2 5f3 6d1
Neptunium-93 [Rn] 7s2 5f4 6d1
Curium-96 [Rn] 7s2 5f7 6d1
Lawrencium-103 [Rn] 7s2 5f14 7p1
There is a general reason for the exception is for stability only the electronic configuration are slightly changed.
Period 4:
Chromium-24 [Ar] 3d54s1
Copper-29 [Ar] 3d104s1
Period 5:
Niobium - 41 [Kr] 5s1 4d4
Molybdenum-42 [Kr] 5s1 4d5
Ruthenium-44 [Kr] 5s1 4d7
Rhodium- 45 [Kr] 5s1 4d8
Palladium-46 [Kr] 4d10
Silver-47 [Kr] 5s1 4d10
Period 6:
Lanthanum-57 [Xe] 6s2 5d1
Cerium-58 [Xe] 6s2 4f1 5d1
Gadolinium-64 [Xe] 6s2 4f7 5d1
Platinum-78 [Xe] 6s1 4f14 5d9
Gold-79 [Xe] 6s1 4f14 5d10
Period 7:
Actinium-89 [Rn] 7s2 6d1
Thorium-90 [Rn] 7s2 6d2
Protactium-91 [Rn] 7s2 5f2 6d1
Uranium-92 [Rn] 7s2 5f3 6d1
Neptunium-93 [Rn] 7s2 5f4 6d1
Curium-96 [Rn] 7s2 5f7 6d1
Lawrencium-103 [Rn] 7s2 5f14 7p1