Writing Ionic Formulas Practice

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. It typically consists of a metal and a non-metal.

Front

How do you determine the formula of an ionic compound?

Back

To determine the formula of an ionic compound, balance the total positive and negative charges of the ions involved. The total charge must equal zero.

Front

What is the charge of a lithium ion?

Back

The charge of a lithium ion (Li) is +1.

Front

What is the charge of a fluoride ion?

Back

The charge of a fluoride ion (F) is -1.

Front

What is the formula for sodium chloride?

Back

The formula for sodium chloride is NaCl.

Front

How do you name an ionic compound?

Back

To name an ionic compound, name the cation (metal) first followed by the anion (non-metal) with its ending changed to '-ide' or use the appropriate polyatomic ion name.

Front

What is the formula for potassium sulfide?

Back

The formula for potassium sulfide is K₂S.

Front

What is the formula for chromium(III) nitrite?

Back

The formula for chromium(III) nitrite is Cr(NO₂)₃.

Front

What is the charge of a phosphate ion?

Back

The charge of a phosphate ion (PO₄) is -3.

Front

What is the formula for sodium phosphate?

Back

The formula for sodium phosphate is Na₃PO₄.