The atom with eight protons in its nucleus (atomic number 8) is oxygen. Each energy level holds a certain number of electrons before electrons go into the next level. 1st Period: Hydrogen and ...

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 ...

Watch this video to find out more information on the periodic table close periodic tableA table which lists all of the chemical elements and arranges them in a way that is useful. It allows us to ...

This exercise uses molecular models to calculate atom economy for a saponification reaction. As part of the ChemClub's 10 th Anniversary, we asked clubs to create elements of the periodic table ...