Periodic Table

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12345678910111213141516171819
Across
  1. 2. halogens
  2. 4. Alkali earth metals
  3. 7. shiny, malleable, good conductors
  4. 9. tells how many protons an element has along with its place in the periodic table
  5. 15. Group 16 period 1
  6. 17. 1st group
  7. 18. The term for the weight of an element
  8. 19. Na
Down
  1. 1. Vertical columns on the periodic table
  2. 3. d block
  3. 5. horizontal rows on the periodic table
  4. 6. Organized elements by atomic number
  5. 8. what divides the metals from nonmetals
  6. 10. dull, poor conductors, brittle
  7. 11. characteristics of both metals and nonmetals
  8. 12. 18th group
  9. 13. Organized elements by atomic mass
  10. 14. arranging the elements by atomic number
  11. 16. K
  12. 18. 13th group, 2nd period