Answer the following question given this paragraph: 

Writing a formula for a ternary ionic compound also involves the same steps as for a binary ionic compound. Write the symbol and charge of the cation followed by the symbol and charge of the anion. Use the crisscross method to ensure that the final formula is neutral. Calcium nitrate is composed of a calcium cation and a nitrate anion.


Q: What is composed of a calcium cation and a nitrate anion?


A:
calcium nitrate