Q. परमाणु क्रमांक 20 वाले परमाणु का इलेक्ट्रॉनिक विन्यास है -

(A) 2,8,10
(B) 2,6,8,4
(C) 2,8,8,2
(D) 2,10,8

✅ Correct Answer: (C) 2,8,8,2

Published by Krishna Sharma ⭐ 48.52K Points at 17-Nov-2021 03:37 pm in Chemistry

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