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प्रश्न
State the type of element for the following:
Sodium
विकल्प
Metal
Non-metal
Metalloid
Noble gas
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उत्तर
Metal
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संबंधित प्रश्न
Select elements and compounds from the following list: Iron, plaster of paris, chalk, common salt, copper, aluminium, calcium oxide, cane sugar, carbon, silica, sodium sulphate, uranium, potassium carbonate, silver, carbon dioxide.
The symbol of a metal element which is used in making thermometers is :
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 |
State the type of element for the following:
Calcium
State the type of element for the following:
Chlorine
State the type of element for the following:
Radon
Write the radical of the following valency:
Sulphite
Give the formula of the following gas:
Hydrogen chloride
Give the qualitative and quantitative meaning of the term ‘symbol’.
Write the symbols for the following elements.
- Oxygen
- Gold
- Calcium
- Cadmium
- Iron
