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Chemistry, 12.03.2021 18:20 cat706

Giselle is pairing ions to create stable binary ionic compounds. She knows that the sum of charges of the two ions must be zero in order for the compound to be stable. Which ion could be paired with a potassium ion, K+, to form a stable binary compound? beryllium, Be2+
fluorine, F-
oxygen, O2-
lithium, Li+

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