DP Chemistry (last assessment 2024)
Question 22N.1.sl.TZ0.12
| Date | November 2022 | Marks available | [Maximum mark: 1] | Reference code | 22N.1.sl.TZ0.12 |
| Level | sl | Paper | 1 | Time zone | TZ0 |
| Command term | State | Question number | 12 | Adapted from | N/A |
12.
[Maximum mark: 1]
22N.1.sl.TZ0.12
Alloying a metal with a metal of smaller atomic radius can disrupt the lattice and make it more difficult for atoms to slide over each other. Which property will increase as a result?
A. Electrical conductivity
B. Ductility
C. Malleability
D. Strength
[1]
Markscheme
D
Examiners report
A well-answered question. 62% of the candidates were able to identify strength as the property that increases when a metal is alloyed. Good performance on this question correlated well with candidates who scored well overall.