First Periodic Table is Created in 1869 (with Picture) - EDN
Mendeleyev's first Periodic Table of Elements, 1869 - Stock Image - C045/3973 - Science Photo Library
Periodic table - Elements, Groups, Families | Britannica
Nobel Prize - Russian chemist and inventor Dmitri Mendeleev first presented his periodic table on this day in 1869 to the Russian Chemical Society. The periodic table is an arrangement of chemical
What Are the First 20 Elements - Names and Symbols
Atomic Mass and Atomic Number of First 13 Elements in the Periodic Table