1.

If n = 6, the correct sequence of filling of electrons will be?

A. ns ® np(n - 1)d ® (n - 2)f
B. ns ® (n - 1)d ® (n - 2)f ® np
C. ns ® n(n - 2)f ® (n - 1)d ® np
D. ns ® (n - 2)f ® np ® (n - 1)d
Answer» D. ns ® (n - 2)f ® np ® (n - 1)d


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