DP Chemistry (first assessment 2025)
Question 23M.2.HL.TZ1.15a
Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.2.HL.TZ1.15a |
Level | HL | Paper | 2 | Time zone | TZ1 |
Command term | Annotate | Question number | a | Adapted from | N/A |
a.
[Maximum mark: 2]
23M.2.HL.TZ1.15a
(a)
Annotate the diagram to show the charge separation at the p-n junction and flow of electrons through the external circuit.
[2]
Markscheme
negative above junction AND positive below junction ✓
e- flow from n-type through wire to light globe
OR
from light globe to p-type through wire.✓