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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
Which particular atom of the above element is used for this purpose ?
What is the significance of the symbol of an element ? Explain with the help of an example.
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
Match the non-metallic elements – with their correct symbols. Non-metallic elements are:
| Non-Metallic elements | Symbol |
| (a) Carbon | (1) O |
| (b) Chlorine | (2) I |
| (c) Oxygen | (3) Si |
| (d) Phosphorus | (4) C |
| (e) Hydrogen | (5) Cl |
| (f) Nitrogen | (6) P |
| (g) Iodine | (7) F |
| (h) Bromine | (8) H |
| (i) Fluorine | (9) S |
| (j) Silicon | (10) Br |
| (k) Sulphur | (11) N |
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
Give the symbol of the following element:
Mercury
Give the symbol of the following element:
Copper
Give the symbol of the following element:
Hydroxide
Write the chemical formula of the following:
calcium sulphide
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
