No. (Its an element.)
Concrete is a heterogeneous mixture composed of cement, sand, gravel, and water. It is not an element or a compound.
An element is a pure substance composed of only one type of atom and is homogeneous. A compound is a pure substance composed of two or more elements chemically bonded together and is homogeneous. Both elements and compounds are homogeneous in nature.
Ammonia (NH3) is a compound, not an element. It is a homogeneous mixture when dissolved in water, but a pure sample of ammonia gas is considered a compound.
Calcium chloride is an ionic compound, in which calcium and chlorine are chemically combined, forming a pure substance, and as such is homogeneous, but not like a homogeneous mixture. A homogeneous mixture is made of components that are notchemically combined.
Sodium metal is an element, not a compound. It is a pure substance made up of only sodium atoms arranged in a lattice structure, making it a homogeneous material.
heterogeneous
compound and element
compound
It is an element.
heterogeneous
Concrete is a heterogeneous mixture.
it is a heterogeneous
Homogeneous mixture
Vinegar is a homogeneous mixture.
heterogeneous
This is a heterogeneous mixture.
Cheerios is a heterogeneous mixture.