Ch. 5 vocab

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Across
  1. 1. gasses the elements in group 8A of the periodic table
  2. 2. mass 1/12 the mass of a carbon-12 atom
  3. 4. law the pattern of repeating properties displayed by elements
  4. 6. earth metals the elements in group 2A of the periodic table
  5. 7. elements with properties that fall between metals AND nonmetals
  6. 10. electron an electron that is in the highest occupied energy level of an atom
  7. 11. metals metals that form a bridge between elements on the left and right sides of the periodic table
Down
  1. 1. elements that are poor conductors of heat and electric currents
  2. 2. metals the elements in group 1A of the periodic table (not including hydrogen!)
  3. 3. the elements in group 7A of the periodic table
  4. 4. table an arrangement of elements in columns
  5. 5. a column in a periodic table of elements
  6. 8. elements that are good conductors of heat and electric currents
  7. 9. a row in a periodic table of elements