SUBATOMIC PARTICLES Word Bank: Atom, Proton, Electron, Neutron, One, Zero, Positive, Negative, Neutral, AMU, Nucleus, ElectronCloud

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Across
  1. 3. The area at the center of an atom which contains protons and neutrons
  2. 4. Smallest particle of matter
  3. 6. Subatomic particle of matter that has a neutral charge
  4. 8. The charge of an electron
  5. 10. The area outside the nucleus of an atom which contains the electrons
Down
  1. 1. The unit/label used when giving the mass of subatomic particles
  2. 2. The mass of an electron
  3. 3. The charge of a neutron
  4. 5. The mass of a proton or a neutron
  5. 7. Subatomic particle of matter that has a positive charge
  6. 9. The charge of a proton
  7. 11. Subatomic particle of matter that has a negative charge