Transition Elements - 11


Chemistry Class 12
1.    Transition elements are named so because their properties are in transition from metallic elements of s-block to the nonmetallic elements of the P-block.


2. Valence shell electronic configuration of Mn is 3d4 4s1.


3.    The ions and compounds of transition elements are coloured in solid as well as solution form at least in one of their oxidation states.


4.    In any transition series the number of unpaired electrons in the atom increases from zero to five and then drops to zero at the end of the series.


5.    Covalent radii decrease regularly along a transition series.


6.    Decrease in the number of unpaired electrons leads to increased diamagnetism..


7.    Oxidation states for manganese range from 1 to 8.


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