The Periodic Table

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Across
  1. 2. Lavoisier wrote Elementary Treatise of Chemistry, which classified elements as acid forming, gas-like, metallic, or earthy.
  2. 5. table - a table that organizes the chemical elements in order of increasing atomic number and that groups elements based on similarities in chemical properties and electron configurations
  3. 6. created the first Periodic Table
  4. 8. examples include boron and polonium
  5. 10. examples include gold, tin, and iron
Down
  1. 1. arranged elements according to their atomic mass
  2. 2. mass - the average mass of all isotopes of an element
  3. 3. - a vertical column of elements in the periodic table
  4. 4. examples include carbon and sulfur
  5. 7. revised and created the modern Periodic Table
  6. 9. - a horizontal row of elements in the periodic table