Science · Chemistry
Who discovered in the year 1817 that the relative atomic mass of the middle element in each triad was close to the average of the relative atomic masses of the other two elements?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1John Newlands
- 2Dmitri Ivanovich Mendeléev
- 3AEB de Chancourtois
- 4Johann Wolfgang Döbereiner✓
Correct answer
Johann Wolfgang Döbereiner
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