Zirconium, hafnium and rutherfordium are elements in the same group in the periodic table of elements, and transition metals; what is the fourth member of this group?
zirconium, hafnium and rutherfordium are elements in the same group in the periodic table of elements, and transition metals; what is the fourth member of this group
FreebaseQA-train-18726.P0
transition metals
transition metal
m.07gvd
chemistry.chemical_series.elements
m.025sk56
titanium