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प्रश्न
Give the symbol of the following element:
Sulphur [sulphide]
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उत्तर
| Name | Symbol |
| Sulphur [sulphide] | S |
संबंधित प्रश्न
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
Match the formulas of the following gases with their correct names :
Gases - (a) H2 (b) N2 (c) O2 (d) Cl2 (e) HCI (f) NH3 (g) CO (h) CO2 (i) SO2 (j) NO (k) NO2.
Names:
(1) Ammonia (2) Nitrogen Dioxide (3) Oxygen (4) Hydrogen (5) Nitrogen (6) Chlorine (7) Carbon Monoxide (8) Sulphur Dioxide (9) Nitrogen Monoxide (10) Carbon Dioxide (11) Hydrogen Chloride
Give the symbol of the following element:
Aluminium
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Give the symbol of the following element:
Sulphate
Write the radical of the following valency:
Calcium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Iron
write symbol with the variable valency
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
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
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
