In a mixture of argon and hydrogen occupying a volume of

Amixture that has two or more substances that are spread out evenly is called a. compound b. heterogeneous c. substance d. homogeneous

Many ionic compounds and a few highly polar covalent compounds are because they completely ionize in water to create a solution filled with charged ions that can conduct an electric current.

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %