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Joseph Priestly independently discovered oxygen in 1774
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In 1774 Joseph Priestley independently discovered oxygen.
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Avogadro discovered that the atoms in elements combine to form molecules. Equal volume of gases under equal conditions of temp and pressure contain equal numbers of molecules.
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Avogadro discovered that the atoms in elements combine to form molecules. Equal volume of gases under equal conditions of temperature and pressure contain equal numbers of molecules.
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Davy discovered the power of electricity batteries which led to the discovery of much more.
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First discovered in human urine by H.M. Rouelle in 1773. First organic compound to be synthesized from inorganic starting materials.
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Synthesized by Fredrich Wohler in 1828 and first organic compound to be synthesized from inorganic starting materials.
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Developed by August Kekulé, Archibald Scott Cooper, and many others around 1858
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In the 1860s a way to exploit the long stringy molecules of celulose found naturally in plants was discovered and created the first plastic
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Arranged by atomic mass and families and groups
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The discovery of Radioactivity has led to the use of X-rays
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Discovered by JJ Thompson in 1897 when he was studying the properties of the cathode ray
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Dalton discovered ultimate weight which became to be know as the atomic theory
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Dalton discovered ultimate weight which became to be known as the atomic theory
