Question

The period number in the long form of the periodic table is equal to
(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 quantum number of any element of the period

Answer 1

option c) is the correct answer

Answer 2

Answer:

maximum principal quantum number of any element of the period is the correct answer