Matter and radiation vocab 4.0 / 5 based on 1 rating ? PhysicsRadioactivityASAQA Created by: Emily DruryCreated on: 05-04-13 19:38 936452187 Across 1. mass multiplied by velocity (8) 6. different types of nuclei (8) 7. a word for a proton or a neutron in the nucleus (7) 8. a "packet" of electromagnetic waves (6) Down 2. an antiparticle with no charge (12) 3. the exchange of these between two charged particles creates an electromagnetic force (7, 7) 4. atoms of the same element with different numbers of neutrons (8) 5. the number of protons found in an atom (6, 6) 8. the antiparticle of an electron (8) 9. what a positron and electron do when they meet (10)
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