1.

Transitionmetalsshowhighmeltingpointswhy ?

Answer»

Solution :(I ) The meltingpointsof thetransitionmetalsare highdue to the 3DELECTRONS beingavailablefor metallicbonding
(ii) As wemovefromleftto rightalong thetransitionmetal seriesmeltingpointfirstincresesas thenumberof unpairedd electronsavailable for metalllicbondingincreases , reacha maximumvalueandthendecreasesas THED electronspair up and becomelessavailablefor bonding .


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