dyannjw25 dyannjw25

25-06-2017
Chemistry

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

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JunhaoZ JunhaoZ

25-06-2017

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)

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Trishadennis37 Trishadennis37

01-07-2017

I had the same answer A but I wanted to make sure

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