Chapter 5 Vocab

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