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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).
Zincate
उत्तर
| Name | Symbol | Ion | Valency |
| Zincate | \[\ce{ZnO2}\] | \[\ce{[ZnO2]^{2-}}\] | −2 |
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संबंधित प्रश्न
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
Fill in the blank:
Dalton used symbol _____ for oxygen and _____ for hydrogen.
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 |
Explain the terms ‘chemical formula’.
State the type of element for the following:
Fluorine
State the type of element for the following:
Phosphorus
Give the symbol of the following element:
Sulphite
Write the radical of the following valency:
Chlorine [Chloride]
Write the radical of the following valency:
Bromine [Bromide]
In the same way in chemistry, each element is denoted by a ______.
