Question

This man was the first to organize a periodic table of elements.

Amedeo Avogadro

Robert Boyle

John Dalton

Dmitri Mendeleev
GPT-4o mini
The correct answer is **Dmitri Mendeleev**. He is credited with organizing the first widely recognized periodic table of elements in 1869, where he arranged the elements by atomic mass and identified periodic trends in their properties.

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