Counting Atoms

Edit Answers
123456789
Across
  1. 2. the things the universe is made of
  2. 4. when 2 or more atoms combine IN A SPECIFIC WAY
  3. 5. this includes noble gases
  4. 6. the symbol used for counting atoms. Separates other atoms that do not wish to be counted
  5. 9. actually google told me this was what the universe was made of instead so have fun
Down
  1. 1. the tiny numbers on molecular formulas
  2. 2. this includes metals and metalloids
  3. 3. when 2 or more atoms combine
  4. 7. The second thing that the universe is made of
  5. 8. made of hydrogen and carbon (you can't get this wrong)