The table shows the relative atomic mass of four of the noble gases.
Table: The relative atomic mass of four of the noble gases
| Element | Relative atomic mass |
|---|---|
| argon | 40 |
| helium | 4 |
| krypton | 84 |
| neon | 20 |
Which row lists these four gases in order of increasing boiling point?
krypton, argon, neon, helium
helium, neon, krypton, argon
argon, helium, krypton, neon
helium, neon, argon, krypton
40 exam-style questions on AQA GCSE Chemistry 1.2 The periodic table, covering 1.2.1 The periodic table, 1.2.2 Development of the periodic table, 1.2.3 Metals and non-metals, 1.2.4 Group 0, 1.2.5 Group 1, and 1.2.6 Group 7. Each one has a worked solution and a mark scheme showing where the marks go.