jan 1, 1864 - John Newlands
Description:
An English scientist called John Newlands put forward his Law of Octaves in 1864. In which, he arranged all the elements known at the time into a table in order of relative atomic mass. When he did this, he found that each element was similar to the element eight places further on.Added to timeline:
Date:
jan 1, 1864
Now
~ 162 years ago