Structure of Matter

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Across
  1. 4. organized on the periodic table vertically
  2. 5. organized horizontally on the periodic table
  3. 6. made up of more than one different element
  4. 7. number of protons and neutrons
  5. 9. only affects the atoms weight
  6. 10. made up of the same atoms bonded together
  7. 11. positively charges an atom
Down
  1. 1. made up of unbonded atoms
  2. 2. made of of protons electrons and neutrons
  3. 3. organizes different elements
  4. 8. negatively affects the atom