Periodic Table Project

12345678910
Across
  1. 3. Recognized that atomic numbers is the basis for the organization of the periodic table
  2. 6. credited for designing the first periodic table
  3. 7. Reacts with water to make strong base
  4. 10. low melting point (are usually gases)
Down
  1. 1. iron is in this group
  2. 2. hydrogen is in this group
  3. 4. good conductor of heat and electricity
  4. 5. silicon is in this group
  5. 8. Mendeleev organized the elements in order of increasing atomic
  6. 9. shape can be easy or hard to change