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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
Fill in the blank:
Symbolic expression for a molecule is called _____.
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Write the radical of the following valency:
magnesium
Write the radical of the following valency:
Bromine [Bromide]
Write the radical of the following valency:
Sulphur [Sulphide]
Give a reason – Magnesium [2, 8, 2] has valency 2+.
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).
Bromide
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).
Iodide
The symbol of tungsten is _______.
The first letter of a symbol is always written as a ______ letter and the second letter as a ______ letter.
