The Periodic Table

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Across
  1. 2. material that can be drawn into long wires
  2. 5. contain either 1 or 2 letters
  3. 12. some properties of nonmetals
  4. 13. is made up of 2 atoms
  5. 14. to transfer heat
  6. 15. The metals from group 1, from lithium to Francium
  7. 16. the elements through group 3 to 12
  8. 18. material is one that can be hammered or rolled into flat sheets or shape
  9. 20. reacts with other substances
Down
  1. 1. to carry electric current
  2. 3. are substances that can conduct electrical current under some conditions
  3. 4. means "salt forming"
  4. 6. the periodic table is arranged in rows
  5. 7. is an arrangement of the elements
  6. 8. the deterioration of a metal
  7. 9. is an element that lacks most of the properties
  8. 10. is the average mass of all the isotopes of that elements
  9. 11. The metals of group
  10. 17. Elements in group 18
  11. 19. Shiny and reflective