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Which of the following statements is false? a. A crystal of calcium fluoride has equal numbers of calcium ions and fluoride ions. b. A potassium ion has a total of 18 e–. c. A sulfide ion has a total of 18 e–. d. A sodium atom is most likely to ionize to form a cation of charge +1. e. The charge on a neutral chlorine atom is zero.

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Answer:

Statement a is false

Explanation:

Because there is two time more of fluoride ions than calcium ions, formula for this crystal is CaF₂, so on every Ca ion, there is two F ions.

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