Chemistry · Periodic Classification of Elements
Which scientist made the first observations on platinum as a catalyst and discovered similar triads of elements, which contributed to the early development of the Periodic Table?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Dmitri Mendeleev
- 2Johann Wolfgang Döbereiner✓
- 3Isaac Newton
- 4John Newlands
Correct answer
Johann Wolfgang Döbereiner
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