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published "The Proficience and Advancement of Learning" which contained a description of what would later be known as the scientific method.
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He began to formulate on of the earliest attempts to classify the elements.
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he found that some elements formed groups of three with related properties.J
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His paper was published,but used geological rather than chemical terms.
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develops an early version of the periodic table, with 28 elements organized by valence
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A russian scientist that created the first ever periodic table acording to atomic mass.
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discovered the Noble Gases
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found a relationship between an element's X-ray wavelength and its atomic number (Z), and therefore resequenced the table by nuclear charge rather than atomic weight.
