periodic table

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Across
  1. 2. a vertical column
  2. 6. properties of both
Down
  1. 1. brittle, not good conductors periods:horizontal rows
  2. 3. table: name of it
  3. 4. oxygen, nitrogen and carbon dioxide is a type of elements: one basic substance made from an atom valence electrons: outer most electron atoms:basic unit of matter energy: can mot be created or destroyed
  4. 5. shiny, malleable good conductors