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How many electrons are possible in an atom with the following quantum numbers:-
n=4 and s= -1/2
Hello. You must be knowing that permissible no. of electrons ina shell is given by 2n2. For n=4 it is 32 . According to Pauli's exclusion principle half 16 electrons can have s=1/2 & remaining 16 s=-1/2. So final answer would be 16.
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