The first I.E

CHEMISTRY · Single correct · AP · Chemistry · Atomic Structure and Properties · Atomic Structure and Properties

Problem

The first I.E. of Na, Mg, Al and Si are in the order : (1) Na<Mg<Al<Si\text{Na} < \text{Mg} < \text{Al} < \text{Si} (2) Na<Al<Mg<Si\text{Na} < \text{Al} < \text{Mg} < \text{Si} (3) Na<Al<Si<Mg\text{Na} < \text{Al} < \text{Si} < \text{Mg} (4) Na>Mg>Al>Si\text{Na} > \text{Mg} > \text{Al} > \text{Si}

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