Chemistry

12345678910
Across
  1. 4. columns on the periodic table
  2. 5. gases the least reactive family on the periodic table
  3. 7. anything that takes up space or has mass
  4. 8. has properties of both metals and non-metals
  5. 9. after the arrow
  6. 10. if atoms on both sides are the same
Down
  1. 1. atoms can only be
  2. 2. rows on the periodic table
  3. 3. metals most reactive family on the periodic table
  4. 6. before the arrow