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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).
Plumbite
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उत्तर
| Name | Symbol | Ion | Valency |
| Plumbite | \[\ce{PbO2}\] | \[\ce{[PbO2]^{2-}}\] | −2 |
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संबंधित प्रश्न
An element which can exhibit valencies of 2, 4 and 6 can be :
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Solid + Liquid mixture
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Write the radical of the following valency:
Bromine [Bromide]
Give the formula of the following gas:
Nitrogen dioxide
Select the correct answer to the statement given below:
An element present in the earth’s crust, atmosphere and the human body.
State the valency of the following metallic element and write symbol with the valency
Chromium
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
How many elements are known at present?
What is the significance of the symbol of an element?
