Chemistry
Give an example of a divalent anion and a trivalent cation. Write the formula of the compound formed by their combination.
Related Questions
Identify the cations (electropositive ions) and anions (electronegative ions) in the following compounds:
(a) CH3COONa
(b) NH4Cl
(c) PbCl2
(d) MgO
Depending on the number of oxygen atoms in the anions, the names of some acids and their formulae are given. Write the formula of their corresponding salts.
Acid Formula Salt Formula Perchloric acid HClO4 Sodium perchlorate NaClO4 Chloric acid HClO3 Sodium chlorate …………… Chlorous acid HClO2 Potassium chlorite …………… Hypochlorous acid HClO Sodium hypochlorite …………… Write the Latin names of sodium, mercury and iron.
State the number of atoms present in each of the following:
(a) PO43-
(b) P2O5
(c) H2SO4
(d) SO4-2