The periodic table of chemical elements, often called the periodic table, organizes all discovered chemical elements in rows (called periods) and columns (called groups) according to increasing atomic ...

That pun is based on the fact that the main building blocks in the branch of science are chemical elements, pure substances ...

Earth is the only known planet which has plate tectonics today. The constant movement of these giant slabs of rock over the ...

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These elements, which are the constituents of immense ... unless they are restrained by chemical combination. They then collect around the great centers of attraction constituted by the stars ...

Heavy ligands such as polyoxometalates are opening a new frontier in actinide chemistry. Studying materials that are both ...

Everything we can see and touch, and quite a lot that we can’t as well, is made of tiny particles called atoms. Some substances, like particles of this iron, contain only one kind of atom.

Uranium (chemical symbol U) is a naturally occurring radioactive element. In its pure form it is a silver-coloured heavy metal, similar to lead, cadmium and tungsten. Like tungsten it is very dense, ...

For many years, the Heavy Element Chemistry group in Berkeley Lab's Chemical Sciences Division has been dedicated to preparing organometallic compounds of the actinides, because these molecules ...