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_______ was responsible for first grouping elements into triads based on similar properties.
A. Döbereiner
B. Moseley
C. Dalton
D. Mendeleev

Respuesta :

JunhaoZ
German scientist Döbereiner was one responsible for grouping elements into triads based on most notably atomic mass, many of which can be found in the periodic table to be in a pattern (for example Iron Cobalt Nickel, elements 26, 27, 28)
I had the same answer A but I wanted to make sure