Question
(a) Define isotopes. [2] (b) Chlorine has two stable isotopes: ³⁵Cl and ³⁷Cl. State how these isotopes are the same and how they differ. [2]
4 marks · take your time before peeking.
Sign up to try the next 30 problems
Save your streak, mark answers against the spec, and build a daily revision habit. Free during public beta — no card, no auto-renew.
Generated by TopMyGrade AI · cross-check official sources before relying on the mark-scheme phrasing.