Chemistry
Give the symbol and valency of the following elements and radicals.
(a) Potassium
(b) Sodium
(c) Hydrogen
(d) Calcium
(e) Aluminum
(f) Magnesium
(g) Zinc
(h) Chlorine [chloride]
(i) Sulphur [sulphide]
(j) Nitrogen [nitride]
(k) Oxygen [oxide]
(l) Ammonium
(m) Bicarbonate
(n) Nitrate
(o) Bisulphate
(p) Bisulphite
(q) Hydroxide
(r) Carbonate
(s) Sulphate
(t) Sulphite
Atomic Structure
51 Likes
Answer
| S. No. | Element/Radicals | Symbol | Valency |
|---|---|---|---|
| (a) | Potassium | K+ | +1 |
| (b) | Sodium | Na+ | +1 |
| (c) | Hydrogen | H+ | +1 or -1 |
| (d) | Calcium | Ca2+ | +2 |
| (e) | Aluminium | Al3+ | +3 |
| (f) | Magnesium | Mg2+ | +2 |
| (g) | Zinc | Zn2+ | +2 |
| (h) | Chlorine [chloride] | Cl- | -1 |
| (i) | Sulphur [sulphide] | S2- | -2 |
| (j) | Nitrogen [nitride] | N3- | -3 |
| (k) | Oxygen [oxide] | O2- | -2 |
| (l) | Ammonium | NH4+ | +1 |
| (m) | Bicarbonate | HCO3- | -1 |
| (n) | Nitrate | NO3- | -1 |
| (o) | Bisulphate | HSO4- | -1 |
| (p) | Bisulphite | HSO3- | -1 |
| (q) | Hydroxide | OH- | -1 |
| (r) | Carbonate | CO32- | -2 |
| (s) | Sulphate | SO42- | -2 |
| (t) | Sulphite | SO32- | -2 |
Answered By
29 Likes
Related Questions
Name the cation and the anion in the salt – calcium sulphate.
Explain the term – 'valency'. State giving reasons the valency of –
(a) chlorine in hydrogen chloride
(b) sulphate in sulphuric acid
(c) nitrogen in ammonia
(d) magnesium in magnesium oxide
Give an example of three elements exhibiting variable valency.
State what is meant by the term – chemical formula. Give the chemical formula of –
(a) sodium hydroxide
(b) sodium nitrate
(c) sodium bicarbonate
(d) sodium sulphite
(e) magnesium nitrate
(f) ammonium sulphate
(g) carbonic acid
(h) calcium phosphate