The atomic number of chlorine is 17. Is it true that the electronic configuration of chlorine is 2, 8, 7?

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True

False

answer is A.

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Detailed Solution

The above statement is true.
The electron configuration of an element describes how electrons are distributed in its atomic orbitals. The electron configurations are useful for determining the valency of an element, predicting the properties of a group of elements, and interpreting atomic spectra. The formula to find the maximum electrons present in the shell is

2 n^{2}

. Maximum electrons present in the shell K are 2, in shell L-8, for M shell-18, and N shell-32. The electron configuration of chlorine is 2, 8, 7.

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