Number of elements in group 15 July 8, 2019 16 32 64 128 Valency of elements in group 15 Name of elements in group 15 What is the oxidation number of elements in group 15 Charge of elements in group 15 Properties of elements in group 15 Elementary properties of groups with examples Group 15 Element group 1 and 2 Elements of group 15 Group 2 elements