which one of the following is a correct electronic configuration of sodium?
(a) 2,8
(b) 8,2,1
(c) 2,1,8
(d) 2,8,1
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3
Answer:
2,8,1
Explanation:
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5
Answer:
(d) Atomic number of sodium (Na) =11
Its electronic configuration = 2, 8,1
Thus, (d) is correct
Explanation:
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