1.

The outerelectronicconfigurationof Gd (AtomicNo. 64) is

Answer»

`4f^(3) 5D^(3)6s^(2)`
`4f^(8)5d^(0)6s^(2)`
` 4f^(4) 5d^(4) 6s^(2)`
` 4f^(7)5d^(1)6s^(2)`

SOLUTION :NA


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