Question

Block of the periodic table of the elements consists of the last six groups minus helium (which is located in the s-block). In the elemental form of the p-block elements, the highest energy electron occupies a p-orbital. The p-block contains all of the nonmetals (except for hydrogen and helium which are in the s-block) and semimetals, as well as the post-transition metals.The groups of the p-block are:=>1

Answer 1

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 the increasing stability of oxidation states that are two less than the group valency for the heavier elements of groups 13, 14, 15 and 16. 





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