Theory
Practice Questions
| 1. |
Subatomic particles
Difficulty: easy |
2
|
| 2. |
Law of conservation of mass
Difficulty: easy |
2
|
| 3. |
Dalton's atomic theory
Difficulty: easy |
2
|
| 4. |
Law of definite proportions
Difficulty: easy |
2
|
| 5. |
Atomic mass
Difficulty: easy |
1
|
| 6. |
Elements and compounds
Difficulty: medium |
3
|
| 7. |
Ionic and molecular compounds
Difficulty: medium |
3
|
| 8. |
Molecular formula of the compounds
Difficulty: hard |
2
|
| 9. |
Formula unit mass
Difficulty: hard |
3
|