page 11 13. A student makes the following statements about the Standard Model. I Every particle has an antiparticle. II Alpha decay is evidence for the existence of the neutrino. III The W-boson is associated with the strong nuclear force. Which of these statements is/are correct? A I only B II only C III only D I and II only E I and III only 14. A nucleus represented by 223 87Fr decays by beta emission. The symbol representing the nucleus formed as a result of this decay is A 224 87Fr B 222 87Fr C 223 88Ra D 223 86Rn E 224 88Ra. [Turn over
Get full Socratic AI guidance on this question — free in the Applaa desktop app
Appy Buddy guides you step-by-step toward the answer without giving it away. Type your attempt and get instant, mark-scheme-aware clues that teach you to think like an examiner.
Join Applaa Community
Create your own games, learn AI concepts, program interactive apps, and share with a kid-safe community approved by parents. Free forever on Windows and Mac.
Available for Windows and macOS · COPPA Compliant
Exam Specification Info
This question is part of the UK A-Level Physics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
While Other Kids Get an AI Head Start, Is Yours Falling Behind?
Give your child the same AI app-building, exam prep and tutoring edge — free for the first month, no credit card needed.
Join 10,000+ students building their first AI-powered apps with Applaa