Theory
Practice Questions
| 1. |
Valency
Difficulty: easy |
2
|
| 2. |
Valence electrons
Difficulty: easy |
1
|
| 3. |
Valency identification
Difficulty: medium |
3
|
| 4. |
Formation of ions and valency
Difficulty: medium |
3
|
| 5. |
Isotopes and isobars
Difficulty: easy |
2
|
| 6. |
Properties of isotopes, isobars and isotones
Difficulty: medium |
2
|
| 7. |
TBQ - Calculate the mass number
Difficulty: medium |
3
|
| 8. |
Isotope and isobar
Difficulty: hard |
4
|
| 9. |
TBQ - Calculation of average atomic mass
Difficulty: hard |
2
|