Chemistry Vocabulary

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Across
  1. 2. both metal and nonmetal properties
  2. 5. Shiny bendable substances
  3. 6. NaCl
  4. 10. most reactive groups
  5. 11. First element on the periodic table
  6. 13. how readily an element is to mix with another
  7. 14. has a mass of ~0 AMU
  8. 16. __ number, tells # of protons and neutrons
  9. 17. dull brittle substances
  10. 20. the center of an atom
  11. 21. Big number, tells # of molecules
  12. 23. right side of a chemical equation
  13. 24. Positive subatomic particle
  14. 25. tells the number of valence electrons
Down
  1. 1. left side of a chemical equation
  2. 3. tells the number of shells
  3. 4. most stable group
  4. 7. __ number, tells the # of Protons
  5. 8. synonym to group
  6. 9. the letters on the Periodic table
  7. 12. smallest unit of matter
  8. 15. __ electrons determine reactivity
  9. 17. located in the nucleus with protons
  10. 18. Smallest unit of an element
  11. 19. Small number, tells # of atoms
  12. 22. where the electrons are