Atomic Structure Question 106

Question: The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element [EAMCET (Engg.) 2003]

Options:

A) 6

B) 11

C) 17

D) 23

Show Answer

Answer:

Correct Answer: C

Solution:

$ X_{35}=1s^{2}2s^{2}2p^{6},3s^{2}3p^{6}4s^{2}3d^{10}4s^{2}4p^{5} $ Total no. of $ {e^{-}} $ is all p-orbitals $ =6+6+5=17 $ .



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