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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
What is the significance of the symbol of an element ? Explain with the help of an example.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Write the radical of the following valency:
Sulphur [Sulphide]
Give the formula of the following acid:
Hydrochloric
Give the formula of the following gas:
Carbon monoxide
Give a reason – Magnesium [2, 8, 2] has valency 2+.
State the valency of the following metallic element and write symbol with the valency
Chromium
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).
Sulphite
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
The name copper was taken from ______.
