Explain the following observations giving an appropriate reason for each. (i) The enthalpies of atomization of transiti

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Q 2641245123.     Explain the following observations giving an appropriate reason for each.
(i) The enthalpies of atomization of transition elements are quite high.
(ii) There occurs much more frequent metal-metal bonding in compounds of heavy transition metals (i.e. 3rd series).
(iii) `Mn^(2+)` is much more resistant than `Fe^(2+)` towards oxidation.
CBSE-12th 2012

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