Q. सोडियम परमाणु में कोर इलेक्ट्रॉन की संख्या है

(A) 1
(B) 2
(C) 8
(D) 10

✅ Correct Answer: (D) 10

Published by Krishna Sharma ⭐ 48.52K Points at 17-Nov-2021 03:41 pm in Chemistry

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