NO!!!
Elements and compoounds exists as separate entities.
Heterogeneous means a mixture of substances that are in different physical states.
Compare to Homogeneous which means a mixture of substances that are in the SAME physical state.
However, The element bromine(Br) is liquid at STP. The compound water(H2O) is also a liquid at STP. When mixed together to form bromin water, it is an homogeneous mixture.
Sulphur is an element. It is neither compound nor mixture.
First of all to correct your spelling. It is 'Concrete', not 'concrerte'. As concrete it is an heterogeneous mixture of cement, sand, gravel and water.
Paper is a heterogeneous mixture because it is made up of different materials (such as cellulose fibers and various fillers) that are not chemically bonded together. It is not a solution, compound, or element.
Sulfuric acid is a compound because it is composed of multiple elements (sulfur, hydrogen, and oxygen) chemically bonded together in a specific ratio. It is not an element, solution, or heterogeneous mixture.
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.
heterogeneous
Silicon is an element.
Heterogeneous
heterogeneous
It is a heterogeneous mixture.
It is a heterogeneous mixture.
Concrete is a heterogeneous mixture.
it is a heterogeneous
Heterogeneous mixture.
its a heterogeneous mixture
Water is a compound. it is neither element nor mixture.
compound