chemistry gcse aqa periodic table
- Created by: heidi bassindale
- Created on: 12-02-13 19:12
Fullscreen
Newlands (1864)- he arranged the elements in order of atomic weights. but many elements had not been discovered. he also found out that the *th element had similar properties. (the law of octaves)
Mendeleev (1869)- also arranged elements in order of atomic mass, but also on the ohysical and chemical proerties of the elements. He left…
Comments
No comments have yet been made