1.

Distinguish between the following pairsNormal elements and Transition elements

Answer»
Normal elementsTransition elements
iIn the atoms of normal elements, only the outermost shell is incomplete.In the atoms of transition elements, there are two incomplete outermost shells.
iiThese elements are placed in groups 1, 2 and 13 to 17 of the modern periodic table.These elements are placed in groups 3 to 12 in the middle of the modern periodic table.
iiiThey are included in s-block and pblock of the modern periodic table.They are included in d-block of the modern periodic table.


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