The periodic table can be read across from left to the ... of elements arranged in the vertical columns. Elements in a group have similar physical and chemical properties and show trends.

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 ...

Group 7 of the periodic table is something of an oddity. When the first periodic table was formulated by Mendeleev, it was the only group that contained just a single known element — manganese.