History of the Periodic table Flashcards
1
Q
History of the periodic table
A
Dalton > Newlands > Mendeleev
2
Q
Law of Octaves
A
A pattern of every 8th element had similar properties = columns or ‘groups’ of similar properties
3
Q
Mendeleev
A
- Ordered by atomic weight
- New row if/when an element’s characteristics were repeated