chemistry gcse aqa periodic table

HideShow resource information

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

Similar Chemistry resources:

See all Chemistry resources »See all The Periodic Table resources »