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Voltage and Current - Technical MCQs

Q1:

The shell that is closest to the nucleus of an atom can contain a maximum of two electrons.

A True

B False

ANS:A - True

Shells are filled acc. to 2n^2(2n square law)
where n=no. of shell from nucleus
In this case n=1
so,no. of electrons in the shell=2x(1x1)=2