(ko-va´lәns) the number of electron pairs an atom can share with other atoms. one or more chemical bonds formed by sharing of electron pairs between atoms. adj., cova´lent., adj. Found on http://www.encyclo.co.uk/local/21001
covalencynoun valence characterized by the sharing of electrons in a chemical compound; the number of pairs of electrons an atom can share Found on https://www.encyclo.co.uk/local/20974