- Messages
- 872
- Reaction score
- 894
- Points
- 103
3H is an isotope of hydrogen which has 2 neutrons...the same no as 4Hehttp://papers.xtremepapers.com/CIE/Cambridge International A and AS Level/Chemistry (9701)/9701_s11_qp_12.pdf
Please explain question no.1 ... The answer is B
Thank you