Work through 3 free Unit 06 practice problems first. When you want more reps on names, formulas, charges, and polyatomic ions, premium unlocks Quick Sets of 3, Standard Sets of 9, and Extended Sets of 18 from this 81-problem bank.
3 Free Sample Problems
Start here if you want to see whether the naming rules are beginning to settle in or whether you want another round before they really stick.
#4Metal Charge
In the compound Fe₂O₃, oxygen has a −2 charge. What is the charge on each iron (Fe) ion?
#5Binary Molecular
What is the correct name for the compound N₂O₅?
#6Formula Writing
Write the chemical formula for aluminum sulfate. What are the charges on each ion, and what subscripts balance the compound?
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81 practice problems in this unit bank
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The full sets give you more chances to translate between names and formulas until the rules start to feel usable, not just familiar.