Methodical recommendation:
Theory
| Number | Name | Description |
|---|---|---|
| 1. | Writing chemical formulae | A theoretical material explains how to write chemical formula and molecular mass. |
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Valency | Other | easy | 1 m. | The student has to choose the correct answer for valency. |
| 2. | Combining capacity of elements | Other | medium | 1 m. | The student has to choose the correct answer for valency. |
| 3. | Rules for writing a chemical formula | Other | easy | 2 m. | The student has to choose the correct answer for rules for writing a chemical formula. |
| 4. | Fundamental rules for constructing chemical formulas | Other | medium | 2 m. | The student has to choose the correct answer for atoms and molecules. |
| 5. | Formulae of chemical compounds | Other | medium | 2 m. | An exercise consisting of choose the correct answers type questions which related to chemical formulas. |
| 6. | Exemplar - Molecular formula of the compounds | Other | hard | 2 m. | An exercise consisting of choose the correct answers type questions which related to chemical formulas. |
| 7. | Exemplar - Chemical formula | Other | medium | 2 m. | An exercise consisting of choose the correct answers type questions which related to chemical formulas. |
| 8. | Molecular mass I | Other | easy | 1 m. | An exercise consisting of choose the correct answers type questions which related to molecular mass. |
| 9. | Molecular mass II | Other | medium | 2 m. | An exercise consisting of choose the correct answers type questions which related to molecular mass. |
| 10. | Formula unit mass | Other | hard | 2 m. | An exercise consisting of choose the correct answers type questions which related to formula unit mass. |