Any chemical elementFunctional groups: D, Ph, Me, Et, Bu, AcAc, For, Ts, Tos, Bz, TMS, tBu, Bzl, Bn, Dmgparantesis () or brackets [].Common compound names.
P4 is phosphorous tetramer. The P stands for phosphorus and the 4 means that there are 4 atoms of phosphorus bonded together. If there is a number before the element, then that is how many bonds there are...so 2P4 is 2 bonds with 4 atoms bonded in each bond.
