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प्रश्न
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
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उत्तर
| Compound | Symbols | Constituent elements |
| Carbon monoxide | (CO) | Carbon and oxygen |
| Washing soda | (Na2CO3) | Sodium, carbon, and oxygen |
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संबंधित प्रश्न
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Phosphate
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 |
Give the symbol of the following element:
Radon
State the type of element for the following:
Bromine
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
Give the symbol of the following element:
Phosphate
Write the chemical formula of the following:
Sodium bromide
State the valency of the following metallic element and write symbol with the valency
Potassium
State the valency of the following metallic element and write symbol with the valency
Aluminium
