The addition of an electron to chlorine is an exothermic process whereas the addition of an electron to Argon is an endothermic process.Give reason
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chlorine is formed into an ion with negative charge and
philheath:
and argon is formed into ion with + charge so - will be exothermic reaction and + will be endo......
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5
As Cl is electronegative element so it will pull e- easily so heat is evolved but Ar is a Noble gas with full octate..so it will consume a lot energy to accept a electron.
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