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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
What do you understand by :
Noble gases
The symbol of a metal element which is used in making thermometers is :
Write the full form of IUPAC. Name the elements represented by the following symbols:
Au, Pb, Sn, Hg
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 and the number of atoms of the following elements present in water.
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:
Copper
State the valency of the following metallic element and write symbol with the valency
Potassium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Copper
write symbol with the variable valency
Which of the following would weigh the highest?
