Methodical recommendation:
Practice Questions
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Gain and loss of electron(s) | Other | hard | 2 m. | An exercise consisted of choosing the correct answer type questions about the gain and loss of electron(s). |
| 2. | Valency of elements or atoms | Other | hard | 6 m. | An exercise consisted of match the following tyep questions about valency of elements or atoms. |
Questions for Teacher Use
| Number | Name | Type | Difficulty | Marks | Description |
|---|---|---|---|---|---|
| 1. | Valency identification | Other | medium | 1 m. | An exercise consisted of find the valency type questions about the atom or elements. |