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The order of filing of electrons in orbi...

The order of filing of electrons in orbitals I Ti is

A

1s, 2s, 2p, 3s, 3p,3 d and 4s

B

1s, 2s, 2p, 3s, 3p, 4s and 3 d

C

1s, 2s, 2p, 3s, 4s, 3p and 3 d

D

1s, 2s, 2p, 3s, 3 d, 3p and 4s

Text Solution

Verified by Experts

The correct Answer is:
B
According to Aufbau princip,le the order of filling of electrons in orbitals is
`1s^(2),2s^(2),2p^(6),3s^(2),3p^(6),4s^(2),3d^(10),4p^(6)` ……
Ti = 22 electrons,
So, the order of filling of electrons in orbital is
Ti `=1s^(2), 2s^(2), 2p^(6), 3s^(2), 3p^(6), 4s^(2), 3d^(2)`
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