C5 Vocabulary

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