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