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The d-And-f-Block Elements
Why are the compounds of transition elements usually coloured, both in the solid state and in aqueous solution?
The compounds of transition element are usually coloured both in solid state and in aqueous solution. The colour of these complex is due to adsorption of some radiation form visible light which is used in promoting an electron form one of the d- shells to another.
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How would you account for the irregular variation of ionisation enthalpies (first and second) in the first series of the transition elements?
The outer electronic configuration of copper is 3d10 4s1, yet it is considered transition element. Why?
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