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why are most of the transition metals coloured why are most of the compounds of transition metals coloured why are some transition metals coloured why most of the transition metal complexes are coloured why most of the transition metal ions are coloured why most of the transition elements are coloured why most of the transition elements are coloured class 12 why most of the transition elements form coloured compounds why are the salts of most transition metals coloured why are many transition metal complexes coloured
