Answers

2015-08-01T15:33:33+05:30
Electronic configuration of calcium is 2,8,8,2 or [Ar] 4s2
1 5 1
Pls! Mark as best....
yeah u are right
Pls! Mark as best padma
2015-08-02T19:44:41+05:30
Configuration of calcium is 1s2 2s2 2p6 3s2 3p6 4s2
0