The amount of energy released due to the addition of an extra electron to the outermost orbit of a gaseous atom is called:
- AElectron capacity
- BElectron affinity
- CIonisation potential
- DElectronegativity
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Which of the following arrangements for the three halogens $Cl$,$Br$,and $I$ when placed in the order of their increasing electron affinity is correct?
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