Problem: Give the charges of the anion in each of the following compounds CaO, Na2SO4, KClO4, Fe (NO3) 2, Cr (OH) 3.

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CaO, Na2SO4, KClO4, Fe (NO3) 2, Cr (OH) 3.

a. CaO  → Ca2+ (Group 2A) + O2--2 charge

b. Na2SO→ Na+ (Group 1A) + SO42--2 charge

c. KClO→ K+ (Group 1A) + ClO4--1 charge

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Problem Details

Give the charges of the anion in each of the following compounds CaO, Na2SO4, KClO4, Fe (NO3) 2, Cr (OH) 3.

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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 Ionic and Covalent Compounds concept. If you need more Ionic and Covalent Compounds practice, you can also practice Ionic and Covalent Compounds practice problems.

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