Tantalum Chemical Element
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Magnesium Chemical Element #1
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Selenium Chemical Element
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Hafnium Chemical Element
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Curium Chemical Element #1
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Fluorine Chemical Element
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Hydrogen Chemical Element
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Potassium Chemical Element
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Krypton Chemical Element #1
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Xenon Chemical Element #1
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Carbon Chemical Element #1
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Dmitri Mendeleev, Russian Chemist
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Dmitri Mendeleev, Chemist
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Vanadium Chemical Element #1
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Molybdenum Chemical Element
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Ruthenium Chemical Element
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Germanium Chemical Element
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Niobium Chemical Element #1
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Indium Chemical Element #1
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Lead Chemical Element
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Periodic Table #1
Monica Schroeder / Science Source
Periodic Table
Monica Schroeder / Science Source
Tungsten Chemical Element #1
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Rhenium Chemical Element #1
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Mendeleevs Periodictable, 1869
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Mendeleevs Periodictable, 1871
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Henry Moseley, English Physicist
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Ytterbium Chemical Element
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Nobelium Chemical Element #1
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Ununquadium Chemical Element
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Silver Chemical Element
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Gallium Chemical Element
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Aluminium Chemical Element
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Cobalt Chemical Element
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Mercury Chemical Element #1
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Titanium Chemical Element
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Zinc Chemical Element #1
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Chromium Chemical Element #1
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Zirconium Chemical Element #1
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Nitrogen Chemical Element #1
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Copper Chemical Element
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Nickel Chemical Element
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Platinum Chemical Element
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Vanadium Chemical Element
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Original Periodic Table
Clive Streeter / Dorling Kindersley
Proto-periodic Table, 1760
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Proto-periodic Table, 1760 #1
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Chemical Lab With Proto-periodic Table
Wellcome Images
Chemical Lab With Proto-periodic Table
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Cadmium Chemical Element
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Osmium Chemical Element
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Mercury Chemical Element
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Tellurium Chemical Element
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Arsenic Chemical Element
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Iridium Chemical Element
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Bromine Chemical Element
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Sulfur Chemical Element
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Gold Chemical Element #1
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Phosphorus Chemical Element
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Silicon Chemical Element #1
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Technetium Chemical Element
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Palladium Chemical Element #1
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Rhodium Chemical Element #1
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Platinum Chemical Element #1
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Iodine Chemical Element #1
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Chlorine Chemical Element
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Antimony Chemical Element
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Tin Chemical Element #1
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Iodine Vapour
Perennou Nuridsany
Chemical Lab, 1760
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Dmitri Mendeleev, Russian Chemist #1
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Dmitri Mendeleev, Russian Chemist #2
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