Chemistry, asked by priyakhosla1390, 10 months ago

Total number of electrons present in "penultimate" potassium shell of potassium 19 is equal to

Answers

Answered by outloudl843
0

Answer:

Explanation:

Potassium, having atomic number 19, has the electronic configuration of 2,8,8,1 in the K,L,M,N and so on named shells.

Thus the number of electrons present in it's penultimate i.e, before-last shell, according to the above specified electronic configuration will be

8(Ans).

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