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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).
Bisulphite
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उत्तर
| Name | Symbol | Ion | Valency |
| Bisulphite | \[\ce{[HSO3]}\] | \[\ce{[HSO3]^{1-}}\] | −1 |
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संबंधित प्रश्न
Name the element used as a standard for atomic mass scale.
The symbols of the elements cobalt, aluminium, helium and sodium respectively written by a student are as
follows. Which symbol is the correct one ?
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)
Give the symbol of the following element:
Hydroxide
Give the symbol of the following element:
Phosphate
Give the symbol of the following element:
Carbonate
Write the radical of the following valency:
Phosphate
Write the chemical formula of the following:
calcium sulphide
Give a reason – Magnesium [2, 8, 2] has valency 2+.
State the valency of the following metallic element and write symbol with the valency
Sodium
