Who is credited with discovering iodine in 1811?

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Multiple Choice

Who is credited with discovering iodine in 1811?

Explanation:
Knowing who discovered iodine in 1811 helps anchor this fact in history. Bernard Courtois, a French chemist, was refining seaweed ash to produce potassium nitrate for gunpowder when he released a violet vapor that condensed to dark crystals. He recognized it as a new element and named it iodine, from the Greek ioeides meaning violet, reflecting the color of its vapors. The other scientists listed are famous for different breakthroughs—Mendeleev for the periodic table, Curie for radioactivity, Pasteur for germ theory—so Courtois is the one linked to this discovery.

Knowing who discovered iodine in 1811 helps anchor this fact in history. Bernard Courtois, a French chemist, was refining seaweed ash to produce potassium nitrate for gunpowder when he released a violet vapor that condensed to dark crystals. He recognized it as a new element and named it iodine, from the Greek ioeides meaning violet, reflecting the color of its vapors. The other scientists listed are famous for different breakthroughs—Mendeleev for the periodic table, Curie for radioactivity, Pasteur for germ theory—so Courtois is the one linked to this discovery.

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