CBSE Class 10 Answered
I want to know Calcium has 2,8,8,2 whereas next element Scandium has 2,8,9,2.How is this possible,I couldn't understand.Please say with respect to Valency shells.
Asked by RAHUL rd | 02 Mar, 2015, 12:00: PM
Expert Answer
Atomic No. |
Element |
K |
L |
M |
N |
O |
P |
|
|
1 |
2 |
3 |
4 |
5 |
6 |
|
|
s |
s p |
s p d |
s p d f |
s p d f |
s p d f |
20 |
Ca |
2 |
2 6 |
2 6 - |
2 |
|
|
21 |
Sc |
2 |
2 6 |
2 6 1 |
2 |
|
|
Answered by Vaibhav Chavan | 02 Mar, 2015, 06:07: PM
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