
1) Boron compound
Found on
https://www.crosswordclues.com/clue/borospherene

Borospherene (B40) is a cluster molecule containing 40 boron atoms. It is similar to buckminsterfullerene, the `spherical` carbon structure, but with a different symmetry. The discovery of borospherene was announced in July 2014, and is described in the journal Nature Chemistry. Borospherene is the latest in a series of cluster molecules, includ.....
Found on
http://en.wikipedia.org/wiki/Borospherene
No exact match found.