| Date | November 2011 | Marks available | 1 | Reference code | 11N.1.HL.TZ0.33 |
| Level | Higher level | Paper | Paper 1 | Time zone | Time zone 0 |
| Command term | Question number | 33 | Adapted from | N/A |
Question
Which of the following gives evidence to support the existence of atomic energy levels?
A. Alpha particle scattering
B. Absorption spectra
C. The existence of isotopes
D. Beta decay
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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