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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).
Bisulphate
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उत्तर
| Name | Symbol | Ion | Valency |
| Bisulphate | \[\ce{[HSO4]}\] | \[\ce{[HSO4]^{1-}}\] | −1 |
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संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Oxide
Match the metallic elements – with their correct symbols Metallic elements
| Metallic elements | Symbol |
| (a) Potassium | (1) Ca |
| (b) Sodium | (2) Zn |
| (c) Calcium | (3) Pb |
| (d) Magnesium | (4) Hg |
| (e) Zinc | (5) Cu |
| (f) Aluminum | (6) Au |
| (g) Iron | (7) K |
| (h) Lead | (8) Fe |
| (i) Copper | (9) Al |
| (j) Mercury | (10) Na |
| (k) Silver | (11) Mg |
| (l) Platinum | (12) Pt |
| (m) Gold | (13) Ag |
Write the formula of the compound formed – given symbols and combining power or capacity (valency) of the following element in the compound.
Ca2+ NO31-
State the type of element for the following:
Sulphur
State the type of element for the following:
Bromine
Give the symbol of the following element:
Carbonate
Give the formula of the following gas:
Nitrogen
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).
Plumbite
Name three metals whose symbols are derived from the first letter of the name of the element.
