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Test your knowledge on periodic trends for ionic radii, anions, and cations. Explore which elements form ions with the largest and smallest radii and learn about the charge of ions. Discover how ionic radii change across periods and whether anions are formed from non-metals or metals.
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Quiz: Periodic Trend for Ionic Radii • What are negative ions called? ANIONS • Are anions formed from non-metalsormetals? • Of the elements magnesium, calcium, and barium, which forms the ion with the… A. Largest radius? BARIUM B. Smallest radius? MAGNESIUM • Do the ionic radii of both cations and anions increaseordecreaseas you move from left to right across a period? • If A is an atom and B is its ion, is the ion positivelyornegativelycharged? B A