What is a pure substance that contains two or more elements?
1 Answer
Jan 9, 2017
A pure substance that contains two or more elements is a compound.
Explanation:
Compounds can be ionic or covalent . Many ionic compounds are composed of a metal and a nonmetal, such as sodium chloride,
Covalent compounds are formed when atoms share their valence electrons. Such compounds contain one or more covalent bonds. They include water,