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Calcium (ca) has an atomic number of 20. it can form an ion by losing 2
electrons. what would its charge be?
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Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:
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Calcium (ca) has an atomic number of 20. it can form an ion by losing 2
electrons. what would...
electrons. what would...
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