Practice Questions
| 1. |
Subatomic particles
Difficulty: easy |
2
|
| 2. |
Size of an atom
Difficulty: easy |
1
|
| 3. |
Atomic number
Difficulty: easy |
3
|
| 4. |
Isotopes
Difficulty: easy |
2
|
| 5. |
Protons, electrons and neutrons
Difficulty: medium |
6.5
|
| 6. |
Atomic mass
Difficulty: medium |
3
|
| 7. |
Isotopes, isobars and isotones
Difficulty: medium |
3
|
| 8. |
Number of electrons and protons
Difficulty: medium |
2
|
| 9. |
Number of protons and electrons in the atom
Difficulty: medium |
3
|
| 10. |
Atomic number and mass number
Difficulty: hard |
6
|