Particles and Radiation Revision 0.0 / 5 ? PhysicsParticle physicsQuantum physicsA2/A-levelAQA Created by: elenasimpson_Created on: 04-03-23 13:24 6103712489 Across 1. A quantum number that is conserved in strong interactions but not in weak interactions. (11) 4. The most stable energy level that an electron can exist in. (6, 5) 7. a discrete packet of energy (6) 8. A type of meson and the exchange particle for the strong nuclear force (4) 9. antiparticle of electron (8) 10. A group of elementary subatomic particles, consisting of electrons, muons and neutrinos. (6) Down 1. Particles that are produced through the strong interaction but decay through the weak interaction. (..) particles (7) 2. The exchange particles that transmit the four fundamental interactions between particles. (5, 5) 3. unstable nuclei decay in an attempt to become (..) (6) 6. The minimum potential difference required to stop the highest kinetic energy electrons from leaving the metal plate in the photoelectric effect. (8, 9)
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