noun. the phenomenon of forming chemical bonds.
noun. (chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent).
noun. (biology) a relative capacity to unite or react or interact as with antigens or a biological substrate.
1. Noun, singular or mass Eliminate the valency numbers you crossed over in the previous step, if any of these numbers are either the same or if the any of the numbers are one.
