ionic compounds name to formula
Understand the Problem
The question is asking how to convert the names of ionic compounds into their corresponding chemical formulas. This involves understanding the charges of the ions involved and how they combine to form a neutral compound.
Answer
Identify ions and balance charges to zero; NaCl is an example.
To create a formula from an ionic compound name, identify the cation and anion, determine their charges, and balance them so the total charge is zero. For example, sodium chloride is NaCl, potassium bromide is KBr.
Answer for screen readers
To create a formula from an ionic compound name, identify the cation and anion, determine their charges, and balance them so the total charge is zero. For example, sodium chloride is NaCl, potassium bromide is KBr.
More Information
Ionic compounds are made up of cations (positively charged ions) and anions (negatively charged ions). The compounds are neutral, so the positive and negative charges must balance.
Tips
A common mistake is not balancing the charges of the cation and anion, which leads to incorrect formulas.
Sources
- Compounds Containing Only Monatomic Ions - chem.libretexts.org
- Finding the formula of an ionic compound (worked example) (video) - khanacademy.org
- 5.5: Writing Formulas for Ionic Compounds - Chemistry LibreTexts - chem.libretexts.org
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