an electron has principal quantum number 3 the


An electron has principal quantum number 3. The number of its (i) sub-shells and (ii) orbitals would be respectively:

(1) 3 and 5           

(2) 3 and 7   

(3) 3 and 9   

(4) 2 and 5

Ans :3 and 9

 

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Chemistry: an electron has principal quantum number 3 the
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