Unit 7 Vocab

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Across
  1. 3. has a positive charge; center of the atom; contains protons and neutrons
  2. 6. the physical principle explaining the non-observation of color charged particles like free quarks
  3. 8. Neutrally charged subatomic particle. Found inside the nucleus of the atom.
  4. 11. Smallest part of matter
  5. 12. Found on the periodic table - Number of protons and neutrons in an atom.
  6. 13. Atoms of the same element that have different numbers of neutrons
Down
  1. 1. a subatomic particle whose existence is predicted by the theory which unified the weak and electromagnetic interactions.
  2. 2. a diagram showing electromagnetic interactions between subatomic particles.
  3. 4. Negatively charged subatomic particle. Found outside of the nucleus in energy levels
  4. 5. Number Found on the periodic table - Number of protons in the nucleus of an atom.
  5. 7. Particle particles that are responsible for holding the fundamental particles together
  6. 9. Positively charged subatomic particle Found in the nucleus of the atom.
  7. 10. subatomic particles which have no size so therefore they can have no substructure.