Complex sentence: Viewed this way, the transition metal colouring of scandium and yttrium in our periodic table is incongruous: scandium is more accurately coloured as a rare earth metal (which is an IUPAC approved category), along with yttrium and the lanthanides.
Split into simpler sentences: Viewed this way, the transition metal colouring of scandium and yttrium in our periodic table is incongruous. Scandium is more accurately coloured as a rare earth metal (which is an IUPAC approved category), along with yttrium and the lanthanides.