Chemistry Study Guide

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Across
  1. 3. Outermost orbital.
  2. 6. Number of electrons/protons.
  3. 9. Energy is released.
  4. 11. Make up group 18 in the periodic table.
  5. 12. Column on periodic table.
  6. 14. Substance that changes in a chemical reaction.
  7. 16. Can't be broken down farther.
  8. 17. Mass of an atom
  9. 20. Positively charged center of an atom.
  10. 22. Russian chemist and inventor.
  11. 24. Reaction that occurs in which a layer of metal is bonded to the surface of another substance (mainly metal)
  12. 25. Two atoms of different elements combine.
Down
  1. 1. Total amount of mass within a substance remains constant after a chemical reaction
  2. 2. Regions of space outside the nucleus where an electron may exist.
  3. 4. Move around the nucleus, negative charge.
  4. 5. Found in nucleus, no charge.
  5. 7. Solid metrical, hard, shiny, malleable, ductile and conducts electricity.
  6. 8. Brittle, not malleable or ductile, poor conductors.
  7. 10. Cross between metal and non-meta, partially conducts.
  8. 13. Particle found in the nucleus, positive charge.
  9. 15. Smallest part of an element and can't be broken down farther.
  10. 18. Abbreviation of an element
  11. 19. Energy is absorbed.
  12. 21. Rows on periodic table.
  13. 23. Formed when one or more atoms combine.
  14. 26. Result of a chemical reaction.