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प्रश्न
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).
Carbonate
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उत्तर
| Name | Symbol | Ion | Valency |
| Carbonate | \[\ce{CO3}\] | \[\ce{[CO3]^{2-}}\] | −2 |
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संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
Give the names and symbols of five familiar substances which you think are elements.
State the type of element for the following:
Antimony
State the type of element for the following:
Sodium
State the type of element for the following:
Platinum
Give the symbol of the following element:
Nitrate
Give the symbol of the following element:
Carbonate
State the valency of the following metallic element and write symbol with the valency
Magnesium
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).
Sulphate
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
