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- #Classification of Elements and Periodicity in Properties
3.33 In the modern periodic table, the period indicates the value of :
(a) Atomic number
(b) Atomic mass
(c) Principal quantum number
(d) Azimuthal quantum number.
Answers (1)
Answer - (C) Principal quantum number
In the modern periodic table, the period indicates the value of, principal quantum number (n) for the outermost shell or the valence shell.
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