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Question
Write the chemical formula and name the elements present in the following compounds.
- Sodium chloride
- Potassium hydroxide
- Carbon dioxide
- Calcium oxide
- Sulphur dioxide
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Solution
| Chemical fromula | Elements present | ||
| a. | Sodium chloride | NaCl | Sodium (Na), Chlorine (Cl) |
| b. | Potassium hydroxide | KOH | Potassium (K), Oxygen (O), Hydrogen (H) |
| c. | Carbon-di-oxide | CO2 | Carbon (C), Oxygen (O2) |
| d. | Calcium oxide | CaO | Calcium (C), Oxygen (O2) |
| e. | Sulphur dioxide | SO2 | Sulphur (S), Oxygen (O2) |
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