Atomic Structure Question 346

Question: The total number of electrons present in all the $ p $ -orbitals of bromine are

Options:

A) Five

B) Eighteen

C) Seventeen

D) Thirty five

Show Answer

Answer:

Correct Answer: C

Solution:

The atomic number of bromine is 35 and the electronic configuration of $ Br $ is $ Br_{35}=,1s^{2},,2s^{2},,2p^{6},,3s^{2},,3p^{6},,3d^{10},,4s^{2},,4p^{5} $ total electron present in p-orbitals of $ Br $ is - $ 2p^{6}+3p^{6}+4p^{5}=17. $



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