The Quantum Numbers of an Atom's Highest-Energy Valence Electrons Are

Multiple Choice

The quantum numbers of an atom's highest-energy valence electrons are n = 5 and l = 1.The element to which this atom belongs could be a

A) inner transition metal.
B) alkali metal.
C) s-block main-group element.
D) transition metal.
E) p-block main-group element.