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Sir Francis Bacon published "The Proficience and Advancement of Learning" which included a description of what would later be known as the scientific method.
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Robert Boyle published "The Sceptical Chymist". It contained some of the earliest ideas of atoms, molecules, and chemical reaction.
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A german alchemeist named Hennig Brand discovered the element Phosphorus
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Helium was isolated by Sir William Ramsay and independently by N. A. Langley and P. T. Cleve in London.
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Joseph Black, a chemist, isolated Carbon Dioxide who then called it "fixed air".
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Magnesium was discovered by Joseph Black, in England
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Hydrogen was discovered by English chemist and physicist Henry Cavendish.
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Henry Cavendish discovered hydrogen as a colorless, odourless gas that burns and can form an explosive mixture with air
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Nitrogen was discovered by Scottish chemist Daniel Rutherford.
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Carl Wilhelm Scheele and Joseph Priestly independently isolated oxygen
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Chlorine was discovered by a Swedish scientist, Carl Willam Scheele.
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Antoine Lavoisier wrote the first extensive list of elements containing 33 elements & distinguished between metals and non-metals
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Beryllium was discovered by French chemist Louis-Nicolas Vauquelin.
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John Dalton proposed "Dalton's Law" describing the relationship between the components in a mixture of gases.
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Sodium was discovered by English chemist Sir Humphry Davy.
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Boron was first discovered by Sir Humphrey Davy, Joseph-Louis Gay-Lussac and Louis Jacques Thênard.
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Magnesium was isolated by A. A. B. Bussy and Sir Humphrey Davy.
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47 elements were discovered, and scientists began to see patterns in the characteristics.
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Lithium was discovered by Swedish chemist known as Johan August Arfwedson.
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Aluminium was discovered by Danish chemist and physicist Hans Christian Oersted.
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Jakob Berzelius developed a table of atomic weights & introduced letters to symbolize elements
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English chemist John Newlands divided the discovered 56 elements into 11 groups based on simlarities.
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Dmitri Mendeleev produced a table based on atomic weights but arranged 'periodically' with elements with similar properties under each other. His Periodic Table included the 66 known elements organized by atomic weights.
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In 1868 a French astronomer, Pierre Janssen in 1868 found proof of helium in the Sun.
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Fluorine was discovered by French chemist Henri Moissan.
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William Ramsay discovered the Noble Gasses
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English physicist discovered that electrons had a small nageative charge in an atom. Later on John Townsend and Robert Millikan determined their exact charge and mass.
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Neon was discovered by Sir William Ramsay, a Scottish chemist, and Morris M. Travers, an English chemist.
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Ernest Rutherford discovered the source of radioactivity as decaying atoms
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Rutherford and German physicist Hans Geiger discovered that electrons orbit the nucleus of an atom.
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Niels Bohr discovered that electrons move around a nucleus in discrete energy called orbitals.
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Ernest Rutherford first discovered that the nucleus of an atom contained protons.
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James Chadwick first discovered neutrons isotopes.
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Glenn Seaborg identified lanthanides and actinide