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प्रश्न
Give the formula of the following gas:
Nitrous oxide
उत्तर
Nitrous oxide – N2O
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संबंधित प्रश्न
Which particular atom of the above element is used for this purpose ?
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by a student are as
follows. Which symbol is the correct one ?
What do the following symbol stand for?
2H
Explain the terms 'valency' and 'variable valency'.
Give the names and symbols of the first twenty elements of the periodic table.
Give the symbol of the following element:
Zinc
Give the symbol of the following element:
Sulphite
Give the symbol of the following element:
Carbonate
Write the radical of the following valency:
Carbonate
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).
Hydroxide
