Just two strategies existed at the time ... The atomic numbers, temporary names and official names are: The periodic table is arranged by atomic weight and valence electrons.

In this periodic table of elements quiz, you have 10 minutes to name as many elements as you can, given only their symbol, ...

"I think they probably would, because it is something that is absolutely fundamental - this is not just some creation ... which give the periodic table its name. Elements with similar properties ...