Theory
Practice Questions
| 1. |
Valence electrons
Difficulty: easy |
2
|
| 2. |
Formation of ions and their charges
Difficulty: easy |
1
|
| 3. |
Valency and reactivity
Difficulty: easy |
1
|
| 4. |
Calculation of electrons in ions
Difficulty: easy |
2
|
| 5. |
Stable electron arrangement in ions
Difficulty: medium |
3
|
| 6. |
Valency I
Difficulty: medium |
3
|
| 7. |
Identification of element and its valency
Difficulty: medium |
3
|
| 8. |
Identifying cation, anion, and noble gas
Difficulty: medium |
3
|
| 9. |
Formation of compound
Difficulty: hard |
4
|
| 10. |
Valency II
Difficulty: hard |
5
|