why phosphorus, sulphur and chlorine are electronegative elements of the periodic table
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why phosphorus, sulphur and chlorine are electronegative elements of the periodic table
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For group-17 elements (F, Cl , Br etc) they are smallest in size in their respective periods. F has the smallest size in period 2 elements.
So it the most electronegative element of the period as well as group because other halogens are larger in size than F.
Similarly P , S and Cl also have tendency to gain electrons due to smaller size as compared to elements in far left of same period of periodic table.
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the electronegative elements have a tendency to gain electrons and hence they are anions.
chlorine Phosphorus and sulphur are electronegative because they have a tendency to gain electrons from other elements during a chemical reaction.
the highest electronegative element is fluorine. which has electronegative value of 4 on pauling scale.
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