AP EAMCET · Chemistry · Structure of Atom
Number of completely filled orbitals in xenon atom \((\mathrm{Xe})\) is
- A 17
- B 18
- C 27
- D 28
Answer & Solution
Correct Answer
(C) 27
Step-by-step Solution
Detailed explanation
The electronic configuration of xenon having atomic number 54 is given as: \[ { }_{54} \mathrm{Xe}=1 s^2, 2 s^2 2 p^6, 3 s^2 3 p^6 3 d^{10}, 4 s^2 4 p^6 4 d^{10}, 5 s^2 5 p^6 \] Thus, the number of completely filled orbital in xenon atom \((\mathrm{Xe})\) is 27.
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