11 Discoveries of Chemistry

  • Discovery of Oxygen

    -collected gases over liquids
    -experiment: taking burning glass, focus on orange power, changes to metal mercury and gas comes off
    -discovery of emitted oxygen
  • Electricity Transforms Chemicals

    -discovered electricity reacting with chemicals
    -led to aluminum industry, solar panels, etc
  • Synthesis of Urea

    -made urea out of inorganic substances
    -discovery broke down a wall
    -building blocks of inorganic and organic being the same
  • Chemical Structures

    -benzene was too large for the formula
    -underlying formula to see how carbon combined with other molecules
  • Periodic Table of Elements

    -map showing all elements related to another
    -icon of chemistry
    -changed the way people would understand the elements
  • Radioactivity

    -xrays
    -source was uranium
    -isolated polonium and radium
  • the electron

    -could extract a small piece of an atom
    -radient matter
    -ray was a stream of electrons
  • Plastics

    -cellulose used to create 1st plastic
    -polymers
  • Atoms have signatures of light

    -using prism and small telescope created spectroscope
    -"barcodes" used to see what atoms are present
    -lives on with space studies
  • electrons form chemical bonds

    -electrons went in shells around nucleus
    -give up electrons in outer shells
  • Fullerenes

    -1 special cluster of carbon atoms
    -stable
    -C60