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प्रश्न
An element which can exhibit valencies of 2, 4 and 6 can be :
विकल्प
copper
iron
mercury
sulphur
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उत्तर
Sulphur
Sulphur exhibits the valencies of 2, 4 and 6.
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संबंधित प्रश्न
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Explain the terms ‘chemical formula’.
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
State the type of element for the following:
potassium
Give the symbol of the following element:
Antimony
Give the symbol of the following element:
Bromine [bromide]
Write the radical of the following valency:
Sodium
Write the radical of the following valency:
Calcium
Give the formula of the following gas:
Ammonia
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
