Ionic Nomenclature

Front

What is an ion?

Back

An ion is an atom that has gained or lost electrons, resulting in a net electrical charge.

Front

When do we use Roman numerals in ionic nomenclature?

Back

Roman numerals are used in the names of metal ions that can have more than one charge, to indicate the charge of the ion.

Front

Name the ionic compound Cr(NO2)3.

Back

The name of the compound is chromium (III) nitrite.

Front

What is the formula for the compound formed from Fe^+3 and S^-2?

Back

The formula is Fe2S3.

Front

What is included in the name of a metal ion not in groups 1A, 2A, or 3A?

Back

The name includes a Roman numeral to indicate the charge of the ion.

Front

What is the charge of a potassium ion?

Back

The charge of a potassium ion (K) is +1.

Front

What is the charge of a sulfate ion?

Back

The charge of a sulfate ion (SO4) is -2.

Front

How do you determine the formula for an ionic compound?

Back

The formula is determined by balancing the total positive and negative charges of the ions.

Front

What is the name of the ionic compound formed from sodium and chlorine?

Back

The name of the compound is sodium chloride.

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.