DP Chemistry (last assessment 2024)
Question 20N.2.hl.TZ0.a(ii)
| Date | November 2020 | Marks available | [Maximum mark: 1] | Reference code | 20N.2.hl.TZ0.a(ii) |
| Level | hl | Paper | 2 | Time zone | TZ0 |
| Command term | Justify, State | Question number | a(ii) | Adapted from | N/A |
a(ii).
[Maximum mark: 1]
20N.2.hl.TZ0.a(ii)
Chlorine undergoes many reactions.
State, giving a reason, whether the chlorine atom or the chloride ion has a larger radius.
[1]
Markscheme
AND more «electron–electron» repulsion ✔
Accept AND has an extra electron.
Examiners report
Most candidates could correctly explain the relative sizes of chlorine atom and chloride ion.
