functional group

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functional group: monomers and polymers

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Nelson Mandela, undated photo.

15 Nelson Mandela Quotes

Middle East bee locator map

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An ancient egyptian hieroglyphic painted carving showing the falcon headed god Horus seated on a throne and holding a golden fly whisk. Before him are the Pharoah Seti and the goddess Isis. Interior wall of the temple to Osiris at Abydos, Egypt.

11 Egyptian Gods and Goddesses

Scolex (head) of the tapeworm Taenia solium. The hooks of the scolex enable the tapeworm to attach to the intestinal wall.

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Lake Mead (the impounded Colorado River) at the Hoover Dam. The light-coloured band of rock above the shoreline shows the decrease in water level in the first few years of the 21st century.

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Artist interpretation of space asteroids impacting earth and moon. Meteoroids, meteor impact, end of the world, danger, destruction, dinosaur extinct, Judgement Day, Doomsday Predictions, comet

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Salem Witch Trials. Photogravure after the painting by Walter McEwen titled - The Witches - circa 1890s.

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functional group: monomers and polymers

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hydroxyl group carbonyl group formyl group nitro group methylene group mercapto group azo group carboxyl group ethyl group aldehydo group heterocyclic compound protein hormone lipid carboxylic acid hydrocarbon organosulfur compound nucleic acid carbohydrate steroid

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chemical compound: Functional groups

Key People

Jean-Baptiste-André Dumas, engraving, 1879

Jean-Baptiste-André Dumas

French chemist