Advertisements
Advertisements
प्रश्न
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Advertisements
उत्तर
(a) OH — Valency- 1 (C)
(b) So4 — Valency- 2 (B)
(c) No3 — Valency- 1 (C)
(d) Co3 — Valency- 2 (B)
संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
The atoms of which of the following pair of elements are most likely to exist in free state ?
Fill in the blank:
Symbol represents _____ atom(s) of an element.
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
State the type of element for the following:
Sulphur
State the type of element for the following:
Iodine
Give the symbol of the following element:
Sulphate
Write the radical of the following valency:
Sodium
Give the formula of the following acid:
Nitric
The symbol of tungsten is _______.
