The willingness of the 4f orbitals of lanthanide metals to participate in chemical reactions is as rare as their presence in ...

Atomic structure Atoms are made from protons ... In all other substances atoms are held together by chemical bonds, either sharing or gaining/losing electrons. Chemical formulae The chemical ...

Here, an 8c-2e bond is found inside every empty Na8 cube of the Na2He structure. For clarity, only two such bonds are shown.

Boron, carbon, nitrogen and oxygen: these four elements can form chemical triple bonds with each other due to their similar ...