NCERT Problem 3.6 - Classification of Elements and Periodicity in Properties

Question: The first ionisation enthalpies of Na, Mg and Si are 496, 737 and 786 kJ mol^-1. Would Al be closer to 575 or 760 kJ mol^-1?

Answer: Closer to 575 kJ mol^-1.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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