Advertisements
Advertisements
प्रश्न
What do the following symbol stand for?
H2
Advertisements
उत्तर
H2 stands for one molecule of hydrogen.
APPEARS IN
संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
The English name of an element is potassium, its Latin name will be :
What is a symbol? What information does it convey?
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 |
Give the symbol of the following element:
Sodium
Give the symbol of the following element:
Nitrate
Write the radical of the following valency:
Bromine [Bromide]
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bisulphite
What does the symbol '(g)' present in a chemical equation, mean?
What does the symbol '(aq.)' present in a chemical equation, mean?
