Nitrogen is _____ in AlN. (monovalent/trivalent)
Therefore, Nitrogen is trivalent in AlN.
A silicate salt Y contains a trivalent metal (A) and a monovalent metal ( B). How many oxygen atoms are present in one molecule of Y ?
Give two examples of each of the following-
(a) Monovalent elements
(b) Bivalent elements
(c) Trivalent elements
(d) Tetravalent elements