Write a scientific reason-The third period contains only eight elements even though the electron capacity of the third shell is 18

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Toppr Admin · Accepted Answer

The third period contains only eight elements even though the electron capacity of the third shell is -18- because when the other shells get filled and the resultant number of electrons becomes eighteen- it gets added up and settles in the third electron shell and three shells are acquired by the fourth period-

Write a scientific reason.The third period contains only eight elements even though the electron capacity of the third shell is $$18$$

Write a scientific reason.
The third period contains only eight elements even though the electron capacity of the third shell is $$18$$