The official governing body, the International Union of Pure ... group and helium should be moved to the head of the alkaline earth metals. Clearly the periodic table, and the elements, still hold ...

But Iupac, the official body that governs the naming of elements ... Instead they proposed bohrium, which became the officially recognised name in 1997. In the periodic table bohrium lies below ...

What do all these things have in common? They all have a link to the periodic table, which turned 150 in 2019! Here are some fascinating elements that you may never have heard of, but definitely ...