Choose ALL key terms that describe a compound.

cannot be broken down chemically

can be broken down chemically

only one type of atom

two or more elements and/or compounds mixed together

two or more atoms bonded together

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.

i think the answer is

mass

answer; i believe that the correct answer is (lung);