The atomic numbers, temporary names and official names are: The periodic table is arranged by atomic weight and valence electrons. These variables allowed Mendeleev to place each element in a ...
There are repeating patterns in the properties of the elements, which give the periodic table its name. Elements with similar properties are arranged to form columns (groups). The periodic table ...
As part of the ChemClub's 10 th Anniversary (2015-2016), we asked clubs to create elements of the periodic table featuring a mole. To celebrate the International Year of the Periodic Table (IYPT) in ...
Take your pick from this collection of links about elements and the periodic table! Build an element ball, solve periodic puzzles, and check out some of the most unusual periodic tables you’ve ever ...
Can France claim the first periodic table? Probably not, but a French Geology Professor made a significant advance towards it, even though at the time few people were aware of it. Alexandre Béguyer de ...