Practice Questions
| 1. |
Modern periodic law
Difficulty: easy |
2
|
| 2. |
Classification of elements by groups and periods
Difficulty: easy |
3
|
| 3. |
Metallurgical process
Difficulty: easy |
2
|
| 4. |
Features of periods and groups
Difficulty: easy |
1
|
| 5. |
Calculate the atomic radius
Difficulty: medium |
2
|
| 6. |
Atomic and ionic radius
Difficulty: medium |
4
|
| 7. |
Metallurgical terminology
Difficulty: medium |
2
|
| 8. |
Ionisation energy, electron affinity, and electronegativity
Difficulty: hard |
6
|
| 9. |
Electronegativity
Difficulty: hard |
1
|