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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