Johann Wolfgang Dobereiner (jan 1, 1817 – jan 1, 1817)
Description:
Had attempted to organised the elements by placing the known elements into groups of three such as chlorine, bromine and iodine. These groups were called triads. In each triad the atomic weight of the middle element is roughly the average of the other two elementsAdded to timeline:
Date:
jan 1, 1817
jan 1, 1817
~ 0 min