Dear student,
-In a compound costituents are present in definite proportion by mass.
-A compound is a substance which consist of two/more elements chemically combined.
-A compound has a fixed melting and boiling point.
-In the formation of compound,energy is usually evolved or absorbed (in the form of heat or light)
during the chemical reaction.
-The compound has properties different from elements.
-The compounds are always homogeneous.
Regards,