Answer:Ln
Answer: Ceric compounds
Answer:Oxides of lanthanoids
Answer:Gadolinium sulphate
Answer:Ce-50%, La-40%, Fe-7%, other-5%
Answer: Atoms of all transition elements are paramagnetic
Answer: Due to rotation-orbital combination
Answer: 1.73 BM
Answer: K2 MnO4 Dark green
Answer: Cu, Ag, Au
Answer:The general oxidation state of Ce is +3 and +4
Answer:The poor shilding on outer electrons by 4f electrons from the nucluear charge
Answer: Energy differnce between 5f and 6d orbitals is less than that of 4f and 5d orbitals
Answer:Because of the large size of the Ln (III) ions, the bonding in its compounds is ionic in character
Answer: In the highest oxidation states, the transition metals show basic
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