The current Periodic Table is organized by each elements atomic number. The atomic number is the number of protons in the nucleus of the atom of each element.
Atomic mass was used to organize the earliest periodic table.
The periodic table organizes the elements by atomic number (number of nuclear protons).
In a periodic table.
Periodic Table of Elements.
1869
A tool to organize the elements
Atomic Mass Octaves and Triads
Some people have suggested that Dmitri Mendeleev did first organize elements in a periodic table in a dream.
In 19th century , Mendeleev organised periodic table. He organised it in year 1869.
he based it on his favourite game
Atomic number
By grouping the elements on the Periodic Table.