<P> Group 7 , numbered by IUPAC nomenclature , is a group of elements in the periodic table . They are manganese ( Mn ) , technetium ( Tc ) , rhenium ( Re ) , and bohrium ( Bh ) . All known elements of group 7 are transition metals . </P>
<P> Group 7 , numbered by IUPAC nomenclature , is a group of elements in the periodic table . They are manganese ( Mn ) , technetium ( Tc ) , rhenium ( Re ) , and bohrium ( Bh ) . All known elements of group 7 are transition metals . </P>
what is group 7 on the periodic table called
what is group 7 on the periodic table called
transition metals
transition metals