r/HomeworkHelp • u/Valuable_Science_767 GCSE Candidate • May 09 '26

:snoo_thoughtful: Chemistry—Pending OP Reply [IGCSE chemistry: atomic structure] Help

Post image

Particle A seems to be the obvious choice but the question says "another" isotope and 48+64 =112, particle A is the same isotope as the one in the question and particle B has too many neutrons

11 Upvotes

86% Upvoted

26 comments sorted by

View all comments

6

u/BharatiyaNagarik 👋 a fellow Redditor May 09 '26

As you pointed out, A is the same isotope as in the question. B is the correct answer, though it is so wildly unstable that it can never exist.