The period number in the long form of the periodic table is equal to..

1.	The period number in the long form of the periodic table is equal to...
Answer» magnetic quantum number any element of the PERIOD. ATOMIC number of any element of the period. maximum principal quantum number of any element of the period maximum azimuthal quantum number of any element of the period. Solution :Every period starts with the FILLING of electrons in a NEW principal quantum number. The period number in the form of periodic table refers to the maximum principal quantum number of any element, which is the period. `:.` Period number = maximum n of any element (n = principal quantum number).

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