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Number of completely filled orbitals in ...

Number of completely filled orbitals in xenon atom (Xe) is

A

17

B

18

C

27

D

28

Text Solution

Verified by Experts

The correct Answer is:
C
The electronic configuration of xenon having atomic number 54 is given as :
`""_(54)Xe=1s^(2),2s^(2)2p^(6),3s^(2)3p^(6)3d^(10), 4s^(2)4p^(6)4d^(10),5s^(2)5p^(6)`
Thus the number of completely filled orbital in xenon atom (Xe) is 27.
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