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Chemistry
The period number in the long form of the periodic table is equal to
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Q. The period number in the long form of the periodic table is equal to
AIIMS
AIIMS 2014
A
magnetic quantum number of any element of the period
B
atomic number of any element of the period
C
maximum principal quantum number of any element of the period
D
maximum azimuthal quanoum numbers of any element of the period
Solution:
Period number $=$ maximum $n$ of any element
where, $n=$ principal quantum number .