" 5.In the modern periodic table,the period indicates the value of "

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

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.

Assertion (A) : In the modern periodic table period indicates the value of azimuthal quantum number. Reason (R ): Each period begins with the filling of new shell.

In modern periodic table, the period number indicates the :

In modern periodic table, period indicates the value of (A) atomic number (B) atomic mass (C) principal quantum number ltbr. (D) azimuthal quantum number.

In modern periodic table each periodic ends with