Chemistry Glossary

Boron trifluoride

Boron trifluoride - molecule with chemical formula of BF3 and shape of trigonal planar

Buckminsterfullerene

Buckminsterfullerene - a form of carbon which contains structurally soccer-like C60 molecules 

Fullerene

Fullerene - the family of molecules composed entirely of carbon and isolated after the discovery of buckminsterfullerene

Nanotube

Nanotube - long, thin cylinders made of carbon atoms arranged in a graphitic lattice structure

Octahedral

Octahedral - shape having two square pyramids base to base

Phosphorous pentachloride

Phosphorous pentachloride - molecule with chemical formula of PCl5 and shape of trigonal bipyramidal

Sulphur hexafluoride

Sulphur hexafluoride - molecule with chemical formula of SF6 and shape of octahedral

Tetrahedral

Tetrahedral - shape of a regular tetrahedron, which is composed of four identical triangular faces, three of which meet at each vertex

Trigonal bipyramidal

Trigonal bipyramidal - shape having two triangular pyramids base to base

Trigonal pyramidal

Trigonal pyramidal - shape of a triangular pyramid

Valence-shell electron-pair repulsion (VSEPR) theory

Valence-shell electron-pair repulsion (VSEPR) theory - used to predict the approximate shape of a molecule

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