A-Level
AQA
Physics (UK)
October 2020
QP-202010-Physics-U2-Local · Question 7
Question (excerpt):
outside the box 0 7 Tl 81 x decays to Pb 82 206 by a series of four radioactive decays. Each decay involves the emission of either a single α particle or a single β− particle. What is x? [1 mark] A 20…
outside the box 0 7 Tl 81 x decays to Pb 82 206 by a series of four radioactive decays. Each decay involves the emission of either a single α particle or a single β− particle. What is x? [1 mark] A 20…
Question Slice Image
Official Mark Scheme & Solution
The official answer and mark scheme are available to signed-in users in the PaperAce App.