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Question- Which atom in each pair has the more exothermic electron affinity? (Consider the stability of the electron configurations of the atom and its anion)

i) K or Ca ii) Cl or Ar

a. i) K ii) Cl
b. i) Ca ii) Cl
c. i) K ii) Ar
d. i) Ca ii) Ar
e. Electron affinity is not defined for noble gases such as Ar

Solve the above problem and provide steps with explanation

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Category:- Chemistry
Reference No.:- M91230369

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