In fact , polyvanadates are more similar to the oxomolybdates and tungstates .
The properties of polyniobates and polytantalates are similar , but substantially different from the polyoxovanadates .
Polyvanadates are more similar to the oxomolybdates and tungstates .
The properties of polyniobates and polytantalates are similar , but substantially different from the polyoxovanadates .