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Arrange in decreasing order of Ionisation enthalpy F Cl Br I At

Arrange in decreasing order of Ionisation enthalpy F Cl Br I At

Grade:11

2 Answers

P S S C ASLESH
35 Points
2 months ago
The decreasing order of Ionization enthalpy is 
At
Reason:  In groups atomic size increases that means, nuclear attraction decreases. So Ionozation Enthalpy Decreases when moving from top to bottom in a group.
Sirajudden
29 Points
28 days ago
In a Group if we go down Ionisation enthalpy decreases bcoz of increase in size of atom. Which ultimately decrease the force of attraction on Valence electrons so it becomes more and more easier to release the electron.

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