DP Chemistry (last assessment 2024)
Question 18M.2.hl.TZ2.a.iii
| Date | May 2018 | Marks available | [Maximum mark: 1] | Reference code | 18M.2.hl.TZ2.a.iii |
| Level | hl | Paper | 2 | Time zone | TZ2 |
| Command term | Calculate | Question number | a.iii | Adapted from | N/A |
a.iii.
[Maximum mark: 1]
18M.2.hl.TZ2.a.iii
The emission spectrum of an element can be used to identify it.
Hydrogen spectral data give the frequency of 3.28 × 1015 s−1 for its convergence limit.
Calculate the ionization energy, in J, for a single atom of hydrogen using sections 1 and 2 of the data booklet.
[1]
Markscheme
IE «= ΔE = hν = 6.63 × 10–34 J s × 3.28 × 1015 s–1» = 2.17 × 10–18 «J»
[1 mark]
