B3I1V4A1L1E1N1C3E1
16 points
BIVALENCE is validvalid
the property of existing in exactly two states [n BIVALENCES]
the state of being bivalent, having a valency of two, also BIVALENCY [n -S]
the property of existing in exactly two states [n BIVALENCES]
the state of being bivalent, having a valency of two, also BIVALENCY [n -S]