Among the elements Li, K, Ca, S and Kr, which one is expected to have the lowest first ionisation enthalpy and whi

Question Asked by a Student from EXXAMM.com Team

Q 3133701642.     Among the elements Li, K, Ca, S and Kr, which
one is expected to have the lowest first ionisation
enthalpy and which one has the highest first
ionisation enthalpy?

HINT

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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