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Naming and writing formulas for ionic compounds — Homework
Show the ion charges you used for every naming or formula problem.
- 1.Name CaCl2.
- 2.Name CuO, given that oxide is O2- (figure out copper's charge from that).
- 3.Write the formula for potassium sulfate (potassium is K+, sulfate is SO4 2-).
- 4.Write the formula for iron(III) oxide.
- 5.Why does magnesium never need a Roman numeral in its compound names, unlike iron?
🌲 Homeschool of the FutureTenth Grade · Science · week 17 homework