Assertion: table's element | /r/HasProperty | based on new values of atomic weights
Facets:
Source sentences:
text: Attempts were later made to show that the atomic weights of the elements could be expressed by an arithmetic function, and in 1862 A.-E.-B. de Chancourtois proposed a classification of the elements based on the new values of atomic weights given by Stanislao Cannizzaro’s system of 1858.