Atoms of which group in the periodic table have a valence shell electron configuration of ns2np3?
(a) group 5A(15).
(b) group 3A(13).
(c) several d-block elements.
(d) group 5B.
(e) group 3B.
Answer: group 5A(15)
Atoms of which group in the periodic table have a valence shell electron configuration of ns2np3?
(a) group 5A(15).
(b) group 3A(13).
(c) several d-block elements.
(d) group 5B.
(e) group 3B.
Answer: group 5A(15)