Ques: The table shows the electronic structures of four elements
| Element | Electronic Structure |
| P | 2,6 |
| Q | 2,8,1 |
| R | 2,8,7 |
| S | 2,8,8 |
CBSE Sample Question Paper, Class 10 Science Term 2 Question 1 - (Identify which element(s) will form covalent bonds with carbon.)