A.E.Beguyer de Chancourtois discovers periodic table (french geologist) (5 h 52 m, 12 jan 1862 ano – 16 h 41 m, 18 jan 1863 ano)
Descrição:
Periodic Table: Ordering of chemical elements showing physical properties and periodicity of a chemical.He set up a cylinder with increasing atomic weight, 16 elements on each turn. The vertical elements were similar.
"The properties of the elements are the properties of the numbers." Saw that properties reoccur every 7 elements.
Errors in chart: Ions and compounds in addition to the elements.
Adicionado na linha do tempo:
Data:
5 h 52 m, 12 jan 1862 ano
16 h 41 m, 18 jan 1863 ano
~ 1 years