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CaCl2. I determined it by knowing the common oxidation states for calcium and chlorine.

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8y ago
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3mo ago

The formula for calcium chloride is CaCl2. Calcium is a group 2 element with a 2+ charge, and chloride is a group 17 element with a 1- charge. To balance the charges in a neutral compound, two chloride ions are needed for every calcium ion, giving CaCl2.

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Q: How do you write the formula for calcium chloride.explain how you determined this formula?
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How to write the formula for calcium chloride. Explain how you determined this formula?

The formula for calcium chloride is CaCl2. This is determined by recognizing that calcium is in Group 2 of the periodic table, which makes it a 2+ cation, and chloride is in Group 17, which makes it a 1- anion. To balance the charges, you need two chloride ions for every calcium ion, resulting in the formula CaCl2.


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