scientific theory of atoms by Rori B.

12345678910
Across
  1. 5. theory of atoms is also know as the
  2. 7. the periodic table has 118___
  3. 8. atoms are the ____unit of an element
  4. 9. positive subatomic particles are called
  5. 10. matter is made of
Down
  1. 1. how many protons does number 15 have on the periodic table
  2. 2. an element is made of how many atoms
  3. 3. everything that has ____ takes up space
  4. 4. negative subatomic particles are called
  5. 6. neutral subatomic particles are called