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Ashad Uz Zaman Grade: 12
        Why in Group 15, Electron Gain Enthalpy becomes more negative as we move down the group(which is opposite to the other groups)?
one year ago

Answers : (1)

Umakant biswal
5362 Points
										
dear ashad 
in elements of group 15 , they have atoms with symmetrical configuration (having filled and half filled orbital in the same sub-shell ) . 
and hence they donot have any urge to take up extra electron beacuse their config will become unsymmetrical or less stable . 
HOPE IT CLEARS 
REGARDS 
 
one year ago
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