The Periodic Table

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Across
  1. 3. elements that are poor conductors of heat and electricity
  2. 7. elements with properties that fall between those of metals and nonmetals
  3. 9. elements that are good conductors of electric current and heat
Down
  1. 1. the most abundant element in earth's crust.
  2. 2. arranged the elements into rows in order of increasing mass so elements with similar properties were in the same column
  3. 3. elements in group 8A.
  4. 4. the most abundant metal in earth's crust.
  5. 5. helps keep your bones and teeth strong.
  6. 6. elements in group 7A.
  7. 8. is in most of the compounds in your body.