Chemistry

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Across
  1. 4. the letter or letters that symbolize a certain element
  2. 7. the mass of an element
  3. 8. energy is given off
  4. 11. Atomic particle found in the nucleus and carries a positive charge
  5. 12. energy is absorbed
  6. 14. one solid base gas, solid, or liquid by itself
  7. 20. matter cannot be created or destroyed, only changed
  8. 22. Atomic particles that move around the nucleus; Negative charge
  9. 23. the objects that are reacting with each other in a chemical reaction
  10. 24. group of elements that are odorless, colorless, and nonreactive
  11. 25. a reaction when a layer of metal is bonded to another substance
Down
  1. 1. group of two or more of the same ore different elements
  2. 2. partially conductive, good for semiconductors and computer chips
  3. 3. solid, shiny, ductile, good conductor, and malleable
  4. 5. group of two or more different elements
  5. 6. the electrons in the outer most orbital
  6. 9. vertical grouping on the P.T.
  7. 10. not malleable, conductive, or ductile, and very brittle
  8. 13. center part of an atom
  9. 15. Atomic particle found in the nucleus and carries a neutral charge
  10. 16. the result of a chemical reaction
  11. 17. the amount of protons and electrons
  12. 18. regions of space outside the nucleus of an atom
  13. 19. Russian chemist created periodic table
  14. 21. The smallest part of an element
  15. 26. horizontal grouping on the P.T.