Chemistry
The valency of an element A is 4. Write the formula of its:
(a) oxide
(b) nitrate
(c) phosphate
Related Questions
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
(a) Barium sulphate
(b) Bismuth nitrate
(c) Calcium bromide
(d) Ferrous sulphide
(e) Chromium sulphate
(f) Calcium silicate
(g) Stannic oxide
(h) Sodium zincate
(i) Magnesium phosphate
(j) Sodium thiosulphate
(k) Stannic phosphate
(l) Nickel bisulphate
(m) Potassium manganate
(n) Potassium ferrocyanide
Give the names of the elements and number of atoms of those elements, present in the following compounds.
(a) Sodium sulphate
(b) Quick lime
(c) Baking soda
(d) Ammonia
(e) Ammonium dichromate
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 ……………