Question

Find the electron distribution for an element that had atomic number 17 and write it's valency

Answer 1

The name of the element is chlorine and it's electric configuration is 2,8,7 and it's valency is -1

Answer 2

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The atomic number of the element is 17, thus it has 17 electrons.

Thus, the electron distribution

K shell - 2
L shell - 8
M shell - 7

Now, its valency will be = (8 - 7) = 1.

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