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27-02-2018
Chemistry

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What is the correct formula for the compound formed between sodium and iodine based on their positions in the periodic table?

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27-02-2018

Sodium (Na) has a +1 charge and Iodine ( I ) has a -1 charge. To create a molecule of sodium iodide the charges will need to balance.

Because the charges on anion and cation are the same; the molecular formula will be NaI

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