Periodic Table Crossword

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Across
  1. 4. An element or substance that conducts heat and electricity.
  2. 6. Horizontal columns of periodic table.
  3. 7. An element with the same characteristics as a metal and a nonmetal.
Down
  1. 1. symbol Abbreviation.
  2. 2. elements Elements that are made by scientists.
  3. 3. Vertical columns of periodic table.
  4. 5. An element that does not conduct electricity or heat and is usually a gas at room temperature.
  5. 8. mass Total number of protons and neutrons in an atom.