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प्रश्न
Write the radical of the following valency:
Potassium
पर्याय
1+
2+
3+
1−
2−
3−
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उत्तर
1+
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संबंधित प्रश्न
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 |
Select the correct answer from the choice given below.
The type of element-phosphorus
Give the symbol of the following element:
Neon
Give the symbol of the following element:
Xenon
Give the symbol of the following element:
Chlorine [chloride]
State the type of element for the following:
Radon
State what is meant by the term ‘activity series of metals’.
Write the chemical formula of the following:
calcium carbonate
State the valency of the following metallic element and write symbol with the valency
Calcium
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).
Sulphide
