1.

Amongthe elements Li , K Ca S and Krwhichonehas thelowestfirstionization enthalpy ? Whichhasthehighest firstionizationenthalpy ?

Answer»


SOLUTION :Amongthe elements LI, K Ca ,S and Krthe elementsK, Caand Krbelongto 4thperiod . Sincein aperiodalkalimetalhas thelowestand inertgas has thehighest`Delta_(i) H_(1)` thereforeK hasthe lowest`IE_(1)`and Krhasthe highest`Delta_(i) H_(1)`


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