Q. 3. The number of electrons contained
in each shell is given by the expression,
A. (n)2
B. 2(n)
C. 2(2n2)
D. 2(n)2
Explanation
In the atomic structure, the number of
electrons in each shell are vary according to its position from the centrally
placed nucleus, like K-shell is the first shell which have only two number of
electrons, L-shell is the second shell from the nucleus and have eight number
of electrons, M-shell is the third shell which have eighteen number of
electrons, and so on. These variable capacities of atomic shells will calculate
by following equation:
2(n)2
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