Science Vocabulary 5

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