What are the steps to determine the formula of an ionic compound and the use of Roman numerals as oxidation numbers?
Understand the Problem
The passage provides guidelines on how to determine the formula of an ionic compound based on the ionic charges and oxidation numbers of the constituent ions. It also discusses the use of Roman numerals to indicate oxidation states in compounds, especially for transition metals.
Answer
Roman numerals indicate oxidation states of metals.
Roman numerals indicate the oxidation state of transition metals in ionic compounds.
Answer for screen readers
Roman numerals indicate the oxidation state of transition metals in ionic compounds.
More Information
When a metal can have more than one charge, Roman numerals clarify which ion is used.
Tips
Forgetting to balance charges or misapplying Roman numerals can lead to incorrect formulas.
Sources
- 3.4 Ionic Compounds: Formulas and Names - Chemistry LibreTexts - chem.libretexts.org
- How are oxidation numbers used when naming ionic compounds? - Socratic - socratic.org
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