Answer:
cannot be broken down chemically❌
A compound can be broken down by chemical means to simpler molecules, its elements or a both.
only one type of atom❌
A chemical element possess only one type of atom
two or more elements and/or compounds mixed together❌
A mixture has two or more types of substances that are not chemically bomded but mixed. The substances present maybe a mixture or compound.
two or more atoms bonded together✔
A Compound has two or more seperates type of atoms, a molecule or group of molecules bonded together.