Students should understand the structure of a molecule as various properties of a substance are usually determined by its geometry. Trigonal planar- In trigonal planar molecular geometry ...

As balloons are popped the resulting number conforms to the molecular shapes of VSEPR theory ... showing resulting arrangements (4 is tetrahedral, 3 is trigonal planar, 2 is linear). Note: Do not pull ...

Boron has long been regarded as one of the most useful elements in synthetic organic chemistry ... capacity to switch between an uncharged trigonal-planar structure to an anionic tetragonal ...