NEET Chemistry Classification of Elements and Periodicity Questions Solved


Generally the ionization enthalpy in a period increase but there are some exceptions. The one which is not an exception is-

(1) Be and B

(2) N and O

(3) Mg and Al

(4) Na and Mg

Concept Videos :-

#8 | Ionisation Enthalpy: Introduction
#9 | Calculation of Ionisation Enthalpy
#10 | Factors affecting Ionisation Enthalpy
#11 | Trends in Ionisation Enthalpy
#12 | Application of Ionisation Enthalpy
#13 | Solved Problems

Concept Questions :-

Ionization Energy (IE)
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