The chemists are a strange class of mortals, impelled by an almost insane impulse to seek their pleasures amid smoke and vapor, soot and flame, poisons and poverty; yet among all these evils I seem to live so sweetly that may I die if I were to change places with the Persian king. ~ Johann Joachim Becher 1635-1682
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Click the logo to access the ACS website for the Molecule of the Week!
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Visit the Chemical Heritage Foundation Museum located on Chestnut St. in Old Philadelphia. Discover the historical world of chemistry. Admission is free.
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Click the logo to access a really good High School Chemistry Tutorial!
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Click the logo to access Khan Academy video tutorials on major chemistry topics.
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Watch a video on each of the 118 elements of the Periodic Table.
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Click the Periodic Table to access Dynamic Periodic Table.