Ionic Compounds - Naming & Writing Formulas

Front

What is an ionic compound?

Back

An ionic compound is a chemical compound composed of ions held together by electrostatic forces termed ionic bonding. They typically form between metals and non-metals.

Front

How do you name an ionic compound?

Back

To name an ionic compound, first name the cation (metal) followed by the anion (non-metal). If the anion is a polyatomic ion, use its name directly.

Front

What is the charge of sodium in sodium chloride (NaCl)?

Back

The charge of sodium in sodium chloride is +1.

Front

What is the formula for calcium sulfate?

Back

The formula for calcium sulfate is CaSO₄.

Front

What is the difference between a cation and an anion?

Back

A cation is a positively charged ion, while an anion is a negatively charged ion.

Front

What is the formula for ammonium nitrate?

Back

The formula for ammonium nitrate is NH₄NO₃.

Front

What is the name of the compound with the formula MgO?

Back

The name of the compound MgO is magnesium oxide.

Front

What is the formula for potassium phosphate?

Back

The formula for potassium phosphate is K₃PO₄.

Front

What is the charge of the phosphate ion (PO₄³⁻)?

Back

The charge of the phosphate ion is -3.

Front

How do you write the formula for an ionic compound?

Back

To write the formula for an ionic compound, combine the cation and anion in a ratio that balances their charges.