Chemistry ( Ishaan )

12345678910111213
Across
  1. 2. smallest part of a compound
  2. 5. one pure atom
  3. 8. impure combination of elements
  4. 10. smallest part of an element that has the same properties
  5. 11. number of protons in a atom
  6. 13. pure substance
Down
  1. 1. comparison mass of other elements
  2. 3. number of protons and neutrons in a atom
  3. 4. neutral charger subatomic particle
  4. 6. negative charged subatomic particle
  5. 7. impure substance
  6. 9. positive charged subatomic particle
  7. 12. chemically bonded elements