| Italian | English |
| depressione a V | trough |
| elementi del gruppo V | element of group Group V consists of two subgroups: group Vb, the main group, and group Va. Group Va consists of vanadium, niobium, and tantalum, which are generally considered with the transition elements. The main group consists of nitrogen, phosphorus, arsenic, antimony, and bismuth |
| elementi del gruppo V | element of group V |