Vocabulary

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Across
  1. 1. the elements in group 1A of the periodic table, not including hydrogen
  2. 3. elements that are poor conductors of heat and electric current
  3. 7. the elements in group 8A of the periodic table
  4. 8. a row in a periodic table of elements
  5. 10. elements with properties that fall between those of metals and nonmetals
  6. 11. an electron that is in the highest occupied energy level of an atom
  7. 12. the elements in group 7A of the periodic table
Down
  1. 2. metals the elements in group 2A of the periodic table
  2. 4. elements that are good conductors of heat and electric current Transition metals - metals that form a bridge between elements on the left and right sides of the periodic table
  3. 5. a column of elements in a periodic table
  4. 6. an arrangement of elements in columns, based on a set of properties that repeat from row to row
  5. 9. the pattern of repeating properties displayed by elements in the periodic table Atomic mass unit (amu) - one twelfth the mass of a carbon-12 atom