Advertisements
Advertisements
प्रश्न
Give two symbols which have been derived from the "English names" of the elements.
Advertisements
उत्तर
Two examples of symbols which have been derived from the “English names” of their respective elements: Sulphur – S and Aluminium – Al.
APPEARS IN
संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Explain the terms 'valency' and 'variable valency'.
Give the symbol of the following element:
Mercury
Give the symbol of the following element:
Boron
Give the symbol of the following element:
Sulphite
Give the symbol of the following element:
Carbonate
Write the radical of the following valency:
Sulphate
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).
Dichromate
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).
Nitride
What does the symbol '(s)' present in a chemical equation, mean?
