pentabismuth
three-center two-electron bond
pentairon
lithiumlike
pentacovalent
multiple bond
stereoelectronics
radical cation
lone pair
bohrium
monoprotonated
atomic number 107
borepin
element 107
primary valence
Bh
electron shell
pentamagnesium
valence bond
metallophilic
polyion
tetraionic
silyne
iodoalkoxylation
monocoordinated
tetravalent
exomethylene
pentasodium
multidentate
electropositive
Lewis base
metallocomplex
electrofugal
hexatomic
Lewis acid
hexabromo
dihedral
intraorbital
chromophore
ionocovalent
proton number
hydricity
monoferric
polymacrocyclic
isodesmic
sodiated
metalacyclic
hexasodium
octairon