Chemistry Part 1

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Across
  1. 4. creator of Periodic table
  2. 6. Pb
  3. 9. nuetral charge of an atom
  4. 11. good for teeth and bones
  5. 13. same number of elements on each side of reaction
  6. 15. a insoluble solid
  7. 17. neon
  8. 19. negative charge of an atom
  9. 20. gives the number of valence electrons
  10. 21. Al
  11. 22. property of an element
Down
  1. 1. results if chemical reactions
  2. 2. two liquid reaction
  3. 3. a molecule
  4. 4. the Halogens
  5. 5. last shell electrons
  6. 7. where the protons and neutrons are
  7. 8. Ag
  8. 10. property of an element
  9. 12. found in various types of solids
  10. 14. positive charge of an atom
  11. 16. Fe
  12. 18. gives the number of shells
  13. 22. orbits around the nucleus
  14. 23. atomic number three