Science Crossword Puzzle

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Across
  1. 5. The ability of a material to conduct electricity of heat
  2. 6. Elements with similar properties found on the left side of the staircase
  3. 7. Formula A notation used by scientists to show the number of atoms in a molecule
Down
  1. 1. Symbol One or two letters abbreviation from the element’s name
  2. 2. The tendency of a substance to undergo chemical changes
  3. 3. table A reference for associating the name and symbol of an element
  4. 4. Elements with similar properties found on the right side of the staircase on the periodic table
  5. 8. Elements with similar properties that create a staircase on the periodic table