Atoms Vocabulary Crossword Puzzle

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Across
  1. 5. Same element with different number of neutrons
  2. 6. Smallest particle of matter that has properties of the element it comes from
  3. 7. Simplest type of substance that cannot be broken down further without losing its properties
  4. 9. abbreviations for element (1 capitol letter)
  5. 11. Positively charged center of an atom that contains protons and neutrons
  6. 12. Neutral particle in the nucleus of an atom
  7. 13. Particle that makes up protons and neutron
Down
  1. 1. Modern model. Predicts likely location of electrons ( cloud around nucleus)
  2. 2. Elements made of atoms,atoms of the same elements are the same, atoms of different elements are different,atoms cannot be divided created
  3. 3. Protons plus neutrons in nucleus
  4. 4. Positive particle in the nucleus of an atom
  5. 8. Negative particle that orbits the nucleus of an atom
  6. 10. Number of protons in an atom (identifies atom)