kychambers4909 kychambers4909

23-01-2024
Chemistry

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Which of the following represents the correct order of increasing first ionisation enthalpies of Ca, Ba, S, Se and Ar?
a. Ca < S < Ba < Se < Ar
b. S < Se < Ca < Ba < Ar
c. Ba < Ca < Se < S < Ar
d. Ca < Ba < S < Se < Ar

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