Periodic Table Ch #5

1234567891011121314151617181920212223242526272829303132
Across
  1. 2. Transition metal with the symbol Au
  2. 3. atom with a different # of neutrons but the same properties
  3. 9. Elements from the s and p blocks
  4. 12. Non-reactive group 7A of elements
  5. 13. An element Mendeleev predicted the properties of years before it was discovered
  6. 19. Metals in Group 1
  7. 20. Electrons on the outer layer of an atom
  8. 25. Halogen in the second period
  9. 27. when elements are arranged in by increasing atomic #, there are repeating patterns of properties in the elements
  10. 28. transition Metals in the F-block
  11. 29. Alkali metal in the third period
  12. 32. Organized the elements by increasing atomic mass
Down
  1. 1. Brittle elements with low melting points
  2. 4. Elements with similar properties
  3. 5. Metals in the D-block
  4. 6. Elements get ______ metallic across a period from left to right
  5. 7. Alkali metal in the second period
  6. 8. Noble Gas in the fifth period
  7. 10. weighted average of all isotopes of an element
  8. 11. Valence electrons determine how an element will ______.
  9. 14. 1/12 the mass of a carbon-12 atom
  10. 15. Grouped elements into 4 groups
  11. 16. Alkaline Earth metal in the fourth period
  12. 17. Earth Metals in Group 2
  13. 18. Group 7A
  14. 21. Group 4A
  15. 22. Row on the periodic table
  16. 23. Only metal in the third period of the f-Block
  17. 24. Halogen that is a liquid at room temperature
  18. 26. Last naturally occurring inner-transition metal
  19. 30. Group 6A
  20. 31. Elements that are shiny, malleable, ductile, and good conductors