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Based on Table J, atoms of which metal will lose electrons to Ca2+ ions?

NY Regents Chemistry Exam Jan 2023


46 Based on Table J, atoms of which metal will lose electrons to Ca2+ ions? (1) aluminum

(2) lead (3) nickel (4) potassium


Solution: On the Activity Series, metal on the top of the table are most active and on the bottom are least active. Metal that will lost electrons to Ca^2+ ions must be higher on the table than calcium. Potassium, K, is higher than calcium and is therefore the correct answer, choice 4.



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