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प्रश्न
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Copper
write symbol with the variable valency
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उत्तर
Copper: exhibits valency 1 and 2
| \[\ce{Cu^1+}\] | \[\ce{Cu^2+}\] |
| Cuprous | Cupric |
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संबंधित प्रश्न
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.
Hydrogen by ‘H’
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
Give the symbol of the following element:
Oxygen
Give the symbol of the following element:
Aluminium
Write the radical of the following valency:
Iodine
Give the formula of the following acid:
Sulphuric
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
What does the symbol '(s)' present in a chemical equation, mean?
The pictorial symbol for water given by the alchemists was
The chemical symbol for sodium is
