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Nitrogen (atomic number 7) and phosphoru...

Nitrogen (atomic number 7) and phosphorus (atomic number 15) belong to group 15 of the Periodic Table. Write the electronic configuration of these two elements. Which of these will be more electronegative? Why?

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The electronic configurations of the two elements are: Nitrogen (Z=7) 2, 5, Phosphorus (Z=15) 2, 8, 5 Nitrogen is more electronegative than phosphorus. The electronegativity decreases down the group with increase in size.
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MTG IIT JEE FOUNDATION-PERIODIC CLASSIFICATION OF ELEMENTS-NCERT Section
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