DP Chemistry (last assessment 2024)
Question 21N.2.hl.TZ0.a(i)
| Date | November 2021 | Marks available | [Maximum mark: 1] | Reference code | 21N.2.hl.TZ0.a(i) |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Sketch | Question number | a(i) | Adapted from | N/A |
a(i).
[Maximum mark: 1]
21N.2.hl.TZ0.a(i)
White phosphorus is an allotrope of phosphorus and exists as P4.
Sketch the Lewis (electron dot) structure of the P4 molecule, containing only single bonds.
[1]
Markscheme
Accept any diagram with each P joined to the other three.
Accept any combination of dots, crosses and lines.
