What did Johann Wolfgang Dobereiner discover?
What did Johann Wolfgang Döbereiner discover? In 1829 Johann Wolfgang Dobereiner discovered the existence of families of elements with similar chemical properties. Because there always seemed to be three elements in these families, he called them triads. Each of the vertical columns in Table 7.1 represents one of these triads. What are dobereiner triads examples? Dobereiner law of triads states that the average of the atomic masses of the first and third element in a triad will be roughly equal to the atomic mass of the second element in that triad. Three more triads were determined in the year 1829....