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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).
Nitrate
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उत्तर
| Name | Symbol | Ion | Valency |
| Nitrate | \[\ce{NO3}\] | \[\ce{[NO3]^{1-}}\] | −1 |
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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.
The Latin language name of an element is natrium. The English name of this element is :
What is a symbol? What information does it convey?
What is meant by atomicity? Name the diatomic element.
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
Match the noble gases – with their correct symbols:
| Noble gases | Symbols |
| (a) Helium | (1) Ar |
| (b) Neon | (2) Xe |
| (c) Argon | (3) Rn |
| (d) Krypton | (4) He |
| (e) Xenon | (5) Kr |
| (f) Radon | (6) Ne |
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Na1+ Cl1-
State the type of element for the following:
Calcium
Give the symbol of the following element:
Carbonate
State the valency of the following metallic element and write symbol with the valency
Zinc
