Unit Vocab (woohoo)

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Across
  1. 3. The chemical symbol represents the nucleus and internal electrons
  2. 6. Identifies the atom
  3. 7. The central of an object, movement or group
  4. 9. A positive nucleus surrounded by negative electrons
  5. 12. located in the electron cloud
  6. 14. 2 forms of the Same element with the same number of protons
  7. 15. More electrons then protons
  8. 16. The number of protons in the nucleus
  9. 18. A group of electron circuling the nucleus
Down
  1. 1. An atom or molecule with a net electtric charge
  2. 2. indicates reactivity
  3. 4. Number of protons and neutrons in the nucleus
  4. 5. Same number of electrons
  5. 8. More protons than electrons
  6. 10. The level closest to the Nucleus
  7. 11. located in the nucleus
  8. 13. number of energy levels
  9. 17. protons=electrons