Methodical recommendation:
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Bohr's atomic model | Other | easy | 3 m. | Recall the topic "Bohr's atomic model". |
| 2. | Electrons in ions | Other | easy | 4 m. | Recall how to calculate the number of electrons in ions. |
| 3. | Gain and loss of electrons | Other | medium | 2 m. | To know the result of gain and loss of electron(s). |
| 4. | Subatomic particles | Other | medium | 3 m. | Analyse the properties of subatomic particles. |
| 5. | Electron distribution or electronic configuration of elements | Other | medium | 2 m. | Practice the electron distribution or electronic configuration of elements. |
| 6. | Valency identification | Other | medium | 3 m. | Learn how to calculate the valency when you know the number of protons. |
| 7. | Valencies of some elements | Other | hard | 6 m. | The valencies of some atoms are being explored. |