# Problem: Many ions and compounds have very similar names, and there is great potential for confusing them.(a) Write the correct chemical formulas to distinguish between calcium sulfide and calcium hydrogen sulfide;Write the correct chemical formula for calcium sulfide.

###### FREE Expert Solution

Ionic compounds → charge of anion goes to the subscript of counterion

###### Problem Details

Many ions and compounds have very similar names, and there is great potential for confusing them.

(a) Write the correct chemical formulas to distinguish between calcium sulfide and calcium hydrogen sulfide;
Write the correct chemical formula for calcium sulfide.