Lactose.
Fructose.
Maltose.
A mixture is a substance made up of two or more pure substances.
Any substance made up of two or more elements chemically combined is a compound.
a molecule
compound
a compound
The two classifications of pure substances are elements and compounds. Elements are made up of only one type of atom, while compounds are made up of two or more different types of atoms bonded together in a fixed ratio.
If matter is made up of two or more elements and has the same ratio of atoms no matter the amount of the substance, it is a compound. A compound is a substance composed of two or more elements chemically bonded together in a fixed ratio.
compound
Substances as we know them are not made up entirely of electrons. Electricity is composed of moving electrons, but it is not exactly a substance.
In chemistry, a "compound" is a substance made up of two or more elements in chemical combination.
The mixture is the combination of the two or more substances.
A compound substance is one that is made up of two or more elements.