Periodic Table CWP

123456789101112131415
Across
  1. 2. The number the chemical was assigned
  2. 4. A atom that pairs with the proton
  3. 11. H2O
  4. 12. The current type of mass
  5. 13. Usually a gas and not ductile
  6. 15. A letter used to identify elements
Down
  1. 1. Sensitive
  2. 3. A gas
  3. 5. Non-sensitive
  4. 6. Chemicals arranged into groups and rows
  5. 7. The mass of a element
  6. 8. Center of a atom
  7. 9. 2 on the cloud
  8. 10. A atom that pairs with the neutron
  9. 14. A solid that is malleable and ductile