ICSE Class 10 Answered
what is cobalt ele.configuration is 2,8,8,8,1 but cobalt is in 4th period so it must have 4 shells but its has 5 shells. Is the cobalt ele.configuration is 2,8,8,8,1 ? If it is worng why it is.
Asked by P VISHNU | 13 Aug, 2015, 10:01: PM
Expert Answer
|
Element |
Symbol |
Atomic Number |
Electronic Configuration |
Valence electrons |
|
Cobalt |
Co |
27 |
2, 8, 15, 2 |
[Ar] 3d7 4s2 |
Thus the electronic configuration of Cobalt is 2, 8, 15, 2.
Answered by Vaibhav Chavan | 14 Aug, 2015, 09:09: AM
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