16
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
102266
9306
2

jan 1, 1863 - John Newlands organized the 56 then known elements into eleven separate groups based upon their atom structure.

Added to timeline:

3 Oct 2017
0
0
117
History of the Periodic Table
Lily Heavner
Period 4

Date:

jan 1, 1863
Now
~ 155 years ago
PayPal - The safer, easier way to pay online!logo
About & FeedbackTermsPrivacy