Zusammenfassung der Ressource
The Early Periodic Table
- Dalton
- Book published in 1808
- Found elements using chemical reactions
- Arranged elements in order of Mass
- Newlands
- His idea was published in 1864
- It was called the law of octaves
- He noticed that every eighth element had similar properties
- He didn't realise that at the same
time new elements were being
discovered
- arranged elements in order of Mass
- This idea only worked up to the element of Calcium
- Mendeleev
- He left Gaps in the Periodic Table
- He predicted the properties of the
elements that had not yet been
sdiscovered
- Idea published in 1869
- Idea arranged in order of Atomic Mass
- Known as the father of the Modern Periodic Table