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Electricity Transforms Chemicals
Discovered by Humphrey Davey who melted a pot of ash and connected it with a battery when potassium began to emerge. -
Atomic Theory
Discovered by John Dalton, a school teacher, he discovered that oxygen is made up of atoms. It's a system that defines the relationship between atoms and its elements. -
Oxygen
It was discovered by Joseph Priestley and Carl Wilhelm Scheele in England, this is what started it all. -
Atoms Combine into Molecules
Discovered by Joseph Gay-Lussac, by combining equal volumes of different gases and measuring the reactants, they produced twice the volume he expected -
Synthesis of Urea
Discovered by Fredrick Wöhler who noticed organic substances were different than inorganic substances, he made an inorganic substance out of a living thing. -
Atoms Have Signatures of Light
Discovered by Robert Bunsen and Gustaf Kersher who figured out that the color a substance turns in fire, it indicates what elements are present. They discovered the elements Cesium and Rubidium. -
Periodic Table of Elements
Discovered/Created by Dimetry Mendelev who came up with the name, atomic weight, typical properties, and similarities to other elements. Each grouping resembled one another, chemically and physically. -
Radioactivity
Discovered by Henri Becquerel who was using naturally fluorescent minerals to study the properties of x-rays to see if they admitted radiation. -
The Electron
Discovered by Joseph Thompson who took a very small piece from an atom, by using a krookstube. -
Chemical Structure
Discovered by August Ceckule who used symbols to represent the molecule and marks to show how they bonded.