| Date | May 2018 | Marks available | 1 | Reference code | 18M.1.SL.TZ1.27 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 1 |
| Command term | Question number | 27 | Adapted from | N/A |
Question
The energy-level diagram for an atom that has four energy states is shown.
What is the number of different wavelengths in the emission spectrum of this atom?
A. 1
B. 3
C. 6
D. 7
Markscheme
C
Examiners report
[N/A]
Syllabus sections
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