🧪 Chapter 7: Modern Periodic Table - Super-Set Question Bank This chapter focuses heavily on reasoning and trends . Examiners often ask "Why?" questions rather than complex calculations. I. Tricky MCQs (Concept Checkers) These questions test if you truly understand the trends, not just memorized them. The element with the highest first ionization enthalpy in the periodic table is: a) Fluorine b) Helium c) Cesium d) Chlorine Answer: (b) Helium Trick: Students often pick Fluorine because it's the most electronegative, but Helium has the stable duplet and is the smallest, making it the hardest to remove an electron from. Identify the species having the largest radius: a) Na b) Na + c) Mg 2+ d) Al 3+ Answer: (a) Na Concept: Cations are smaller than their parent atoms. Among isoelectronic ions like Na + , Mg 2+ , and Al 3+ , the one...
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