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why most of the transition elements are coloured why most of the transition elements are coloured class 12 why most of the transition metals are coloured why most of the transition elements are remarkably coloured why most of the transition elements form coloured compounds why most of the transition metal complexes are coloured why most of the transition metal ions are coloured most of the transition elements are coloured explain most of the inner transition elements are coloured why why transition elements are coloured
