Atoms and Molecules

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Across
  1. 5. the joining of atoms of different elements in a set ratio
  2. 6. the # on the periodic table that gives the numbers of protons and electrons
  3. 10. the particles that have a neutral or "no" charge
  4. 11. in the Bill Nye video, the particles that are inside protons and neutrons
  5. 13. the particles that move around the nucleus of the atom
  6. 14. the lightest element of all
  7. 16. the number of protons and neutrons together in the nucleus
  8. 19. that charge of protons
  9. 20. things are made of ------- pieces of stuff
  10. 21. the area where the protons and neutrons exist
Down
  1. 1. element # 10 on the periodic table
  2. 2. atoms combine to make -------
  3. 3. the particles that have a negative charge
  4. 4. the particles that have a positive charge
  5. 6. the smallest part of matter
  6. 7. every living thing has the element
  7. 8. the charge of neutrons
  8. 9. the small numbers in a formula that tell how many atoms are present in a molecule
  9. 12. the representation of an atom that makes its parts visible to the unaided eye
  10. 15. the charge of electrons
  11. 17. a substance that has only one type of atom making it up
  12. 18. element that has the symbol Zn
  13. 22. element #3 on the periodic table
  14. 23. element that has the symbol Na