Briefly there are elements, mixtures & compound.
elements
It is simply consists one kind of element, it's the simplest structure and can be form into molecule or single atom (O2, N2 and ecetra)
mixture
It's simply consist of 2 or more kind of element that are physically mix or intermingle. the properties still remain like its component.
compound
consist of 2 or more elements that are bound together by a chemical effect or heating process. the properties is different from it's component.
Is gasoline a element a mixture or a compound
compound or mixture
Mixture.
Mixture
It's a compound
Is gasoline a element a mixture or a compound
mixture
Water is a compound
It is a mixture.
it's a mixture compound. Kind of a confounded compound mixture.
Mixture
a compound
compound or mixture
soap is a compound
its a heterogeneous mixture
Concrete is a mixture not a compound.
compound