Colors of ions of Lanthanides.
Asked by | 10th Jul, 2008, 03:37: PM
Tm ,tripositive ion is green not Tm.Tm tripositive ion has configuration f12 having 2 unpaired electrons due which it shows green colour.
Gd tripositive ion is colourless due to absorption of light in U.V region.
Answered by | 11th Jul, 2008, 09:38: AM
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