DP Chemistry (first assessment 2025)
Question 19M.1A.SL.TZ1.11
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1A.SL.TZ1.11 |
Level | SL | Paper | 1A | Time zone | TZ1 |
Command term | Question number | 11 | Adapted from | N/A |
11.
[Maximum mark: 1]
19M.1A.SL.TZ1.11
Which describes an ionic compound?
[1]
Markscheme
B
Examiners report
Fairly well answered with the most widely held misconception being that ionic compounds conduct electricity in the solid state.
Syllabus sections
Structure 2. Models of bonding and structure » Structure 2.1—The ionic model » Structure 2.1.3—Ionic compounds exist as three-dimensional lattice structures, represented by empirical formulas. Explain the physical properties of ionic compounds to include volatility, electrical conductivity and solubility.