Study Guide: Chemistry

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Across
  1. 3. Cross between metals and non-metals
  2. 5. Has negative charge of electricity, travels around nucleus
  3. 8. Smallest particle in chemical element
  4. 10. positively charged central portion of an atom, atomic mass consists of protons and neutrons
  5. 11. Absorbing
  6. 12. No electrical charge, apart of the nucleus
  7. 14. electrons in the outer shell of an atom
  8. 15. Outcome of chemical reaction
  9. 16. Mass of an atomic particle and molecule
  10. 18. Substance formed from two elements
  11. 19. Something mixed to get a reaction
  12. 21. Subdivision of a nuclear shell containing zero, one or two electrons
Down
  1. 1. 2,8,8,2
  2. 2. Putting a thin coat of metal around
  3. 4. Number of protons
  4. 6. Matter can be changed from one form to another
  5. 7. Brittle, poor conductors of heat
  6. 9. Formulated periodic law, chemist, inventor
  7. 11. Releasing
  8. 13. Column of elements
  9. 15. Part of the nucleus of an atom
  10. 17. Smallest part of a substance
  11. 20. Left handside, 1-7