What was johann dobereiner’s contribution to the development of the periodic table ?
a. he ar...
Chemistry, 29.01.2020 17:44 isalybeaudion2205
What was johann dobereiner’s contribution to the development of the periodic table ?
a. he arranged the elements according to increasing mass
b. he arranged the elements according to increasing atomic number
c. he identified triads of elements that had similar properties
d. he organized elements into four groups based on their properties
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