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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
Define: Elements-
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
Give the symbol of the following element:
Radon
State the type of element for the following:
Copper
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Give the symbol of the following element:
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).
Bisulphite
Name three metals whose symbols are derived from the first letter of the name of the element.
State why the molecular formula of zinc carbonate is ZnCO3 .
Name the elements with the following symbols.
- Na
- W
- Ba
- Al
- U
