Atoms Vocabulary

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Across
  1. 2. smallest part of matter
  2. 4. Man that put together the periodic table
  3. 6. negative charge, in electron cloud
  4. 9. center of atom
  5. 10. positive charge, in nucleus
Down
  1. 1. Man that said everything was made of atoms
  2. 3. all atoms are the same, found on the periodic table
  3. 5. no charge, in nucleus
  4. 7. how much something weighs
  5. 8. a table with all the elements