Complete the table given below analyze the change in the electronic arrangement of elements during the formation of each compound. Find how they are related to valency.
| Compound |
Constituent elements |
Atomic number |
Electron configuration |
No. of electrons donated accepted/ shared |
| NaCl |
Na |
11 |
...... |
1 |
|
Cl |
17 |
...... |
.... |
| MgO |
Mg |
12 |
..... |
2 |
|
O |
8 |
..... |
.... |
| HF |
H |
1 |
.... |
1 |
|
F |
.... |
2,7 |
....... |
| CCl4 |
C |
6 |
.... |
4 |
|
Cl |
.... |
2,8,7 |
...... |
