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प्रश्न
Two elements X and Y have valencies of 5 and 3, and 3 and 2, respectively. The elements X and Y are most likely to be respectively :
पर्याय
copper and sulphur
sulphur and iron
phosphorus and nitrogen
nitrogen and iron
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उत्तर
nitrogen and iron
Elements X and Y, most likely, are nitrogen and iron.
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संबंधित प्रश्न
Give the symbols and valencies of following radicals:
(a) Hydroxide (b) Chloride
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(e) Nitrate
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Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
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Give the symbol of the following element:
Mercury
Give the symbol of the following element:
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Give the symbol of the following element:
Hydroxide
