Which chemical element was originally discovered in 1801 by the Spanish-born mineralogist Andrés Manuel del Río?
Answer and explanation
Correct answer: B. vanadium
- Step 1: According to the official source: Andrés Manuel del Río y Fernández (10 November 1764 – 23 March 1849) was a Spanish scientist, naturalist and engineer who discovered compounds of vanadium in 1801. Answer: vanadium. Why not the others: titanium, tungsten, and platinum are other metallic chemical elements discovered or isolated during the 18th and 19th centuries.
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