18
/
en
AIzaSyCYaC8UkdPkQKLFUmpasLV5eC3M802CrcA
359782
30131
1

jan 1, 1869 - 1869 - Russian chemist Dmitri Mendeleev started the development of the periodic table, arranging chemical elements by atomic mass. He predicted the discovery of other elements, and left spaces open in his periodic table for them. ←Dmitri Mendeleev

Added to timeline:

2 Dec 2017
0
0
168
History of the Periodic table

Date:

jan 1, 1869
Now
~ 150 years ago

Images:

PayPal - The safer, easier way to pay online!logo
About & FeedbackTermsPrivacy