Problem: How do you write the formula for barium chloride?

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We’re being asked to give the molecular formula of barium chloride. The rules for naming binary ionic compounds are as follows:

1. The metal keeps its name and written first.

– For transition metals, we use Roman numerals to denote its charge.

2. The nonmetal keeps its base name but has its ending change to –ide.

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How do you write the formula for barium chloride?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Writing Ionic Compounds concept. You can view video lessons to learn Writing Ionic Compounds. Or if you need more Writing Ionic Compounds practice, you can also practice Writing Ionic Compounds practice problems.