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प्रश्न
An element which can exhibit valencies of 2, 4 and 6 can be :
पर्याय
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
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
(c) Carbonate (d) ammonium
(e) Nitrate
What do the following symbol stand for?
H2
An atom of an element is denoted by a “symbol” Explain the meaning of the term ‘symbol’. State a reason for representing the following element by its symbol.
Helium by ‘He’
Give the symbol of the following element:
Sodium
State the type of element for the following:
Fluorine
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Hydrogen chloride
Give the formula of the following gas:
Carbon monoxide
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
write symbol with the variable valency
Name three metals whose symbols are derived: from their Latin names.
