multiple bond
covalent bond in which the same atoms share more than 2 net bonding electrons
quadruple bond
type of chemical bond between two atoms involving eight electrons
triple bond
chemical bond involving six bonding electrons; one sigma plus two pi bonds
quintuple bond
unusual type of chemical bond involving 10 bonding electrons
sextuple bond
a covalent bond involving 12 bonding electrons
double bond
chemical bond involving four bonding electrons; has one sigma plus one pi bond