Nitrogen (atomic number-7) and Phosphorus (atomic
number-15) belong to group -15 of the modern periodic table.
(i) Write the electronic configuration of these two elements.
(ii) Which of these will be more electro negative and why? in hindi
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1
go to periodic table and see
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Answer:
The electronic configurations of the two elements are nitrogen (Z = 7) 2, 5; Phosphorus (Z = 15) 2,8, 5.
Since the size of nitrogen is small as compared to phosphorus, it has a greater tendency to take up electrons. It is therefore, more electro-negative than phosphorus.
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