Mendeleev arranged the Periodic Table according to increasing Atomic Mass. This method has been used since he first developed it in the 1800s.
Some people have suggested that Dmitri Mendeleev did first organize elements in a periodic table in a dream.
In a periodic table.
My answer for this would be Colour of the elements.
Atomic Mass Octaves and Triads
In 19th century , Mendeleev organised periodic table. He organised it in year 1869.
Atomic mass was used to organize the earliest periodic table.
number of protons
1869
No. of electrons especially in outer most shell
Some people have suggested that Dmitri Mendeleev did first organize elements in a periodic table in a dream.
he first organized his table in 1869 he did it by organizing them by atomic weights.
Mendeleev from Russia was the first person to organize the periodic table of the elements
The periodic table organizes the elements by atomic number (number of nuclear protons).
In a periodic table.
Periodic Table of Elements.
A tool to organize the elements
My answer for this would be Colour of the elements.