which of the given statement(s) is /are false ?
(P) orbital angular momentum of the azimuthal quantum number as lowest for any principle quantum number is `(h)/(pi)`,
(Q) if n=3 ,l=0 ,m=0 for the last valence shell electron ,them the possible atomic number may be 12 or 13 .
(R ) total spin of electrons for the atom `_(25)` Mn is `+-(7)/(2)` .
(S ) spin magnetic moment of inert gas is zero .
A. I, II and III
B. II and III only
C. I and IV only
D. none of these