An element belongs to the 3rd period and Group IIIA (13) of the periodic table.State:
(a) the number of valence electrons,
(b) the valency,
(c) if it is a metal or non-metal ?
(d) the name of the element.
a) It has 3 valence electrons
b) The valency is +3
c) Aluminium is usually considered to be a metal
d) Name of the element is " Aluminium"