To the three requirements of a modern Periodic Table, as stated by A. A. Clifford 1, must be added a fourth, namely, that it should be in as close accord as possible with chemical facts, and above all ...
More than a thousand different versions of the periodic table have been created since Dmitri Mendeleev drew the first 150 years ago – but why is one version more familiar to us than practically every ...
A MODERN table of chemical elements must show electronic configurations as well as the variation in the properties of the elements with atomic number. It should also include the lanthanide and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results