Page 4 - LN 5
P. 4

Example-Oxidation state of alkali metal is one where as in case of alkaline

               earth metal is two.


                    Diagonal relationship :

                                             nd
                                                                                                     rd
                   Some elements of the 2  period show similarity with elements of the 3
               period diagonally to each other and this similarity in properties is called
               diagonal relationship.
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