hat
Maintenant sigma obligations, ki se sa fòme lè ou gen yon bon garanti youn, yo pi fò pase Pyakiròt, obligations, Pyakiròt obligations antre lire une ou konmanse qui an doub ou trip obligations sou dèyè yon bon sigma garanti.
eng
Now sigma bonds, which are what form when you have a single bond, these are stronger than pi bonds; pi bonds come into play once you start forming double or triple bonds on top of a sigma bond.