It has come to play a central part in our understanding of the periodic table: with four quantum numbers and the exclusion principle, it was possible to construct a table with ascending values of ...

Chemistry textbooks create the impression that the periodic table is fully explained by quantum mechanics. It is claimed that whereas Mendeleev had to grapple with the grubby properties of the ...

Since it was first synthesized in a post-WW2 American lab in 1949, berkelium has been a rebel of the periodic table, defying ...