Problem: Why is CrO named using a Roman numeral, chromium(II) oxide, whereas CaO is named without a Roman numeral, calcium oxide?

🤓 Based on our data, we think this question is relevant for Professor Biberdorf's class at TEXAS.

FREE Expert Solution

Cr → transition metal → multiple possible charges

Ca → Group 2A → +2 charge


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Problem Details

Why is CrO named using a Roman numeral, chromium(II) oxide, whereas CaO is named without a Roman numeral, calcium oxide?

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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 Naming Ionic Compounds concept. You can view video lessons to learn Naming Ionic Compounds. Or if you need more Naming Ionic Compounds practice, you can also practice Naming Ionic Compounds practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Biberdorf's class at TEXAS.

What textbook is this problem found in?

Our data indicates that this problem or a close variation was asked in Chemistry: The Central Science - Brown 13th Edition. You can also practice Chemistry: The Central Science - Brown 13th Edition practice problems.