Question Constellation Sign up for free AQA · GCSE · Chemistry · Higher
Trends down Group 7
Which of the following describes the trends going down Group 7? Tick one box.
Write your answer first. You can study the marking guidance whenever you need it.
Study the marking See what earns credit and compare it with a full-mark answer.
Marking points
- 1 Selects the option stating that both relative molecular mass and boiling point increase.
Why this answer loses marks
Boiling point falls because atoms get heavier.
Greater molecular size strengthens intermolecular attraction, so separation needs more energy.