Question
A, B, C are three elements in which B is an inert gas other than helium.With this information complete the following table.
Will the most non-metallic element be found at A,B,C or D ?
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| H | He | ||||||
| A | B | ||||||
| C | D |