its an heteralgenus 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.
Arsenic is a chemical element with the symbol As, atomic number 33.
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.
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.
Wood is a heterogeneous mixture composed of different compounds such as cellulose, lignin, and hemicellulose.
Heterogeneous mixture.
Heterogenous
heterogeneous
Homogeneous mixture
Milk is a homogeneous mixture.
Homogeneous mixture
homogeneous mixture
Homogeneous mixture
It is an element.
Chocolate milk is a heterogeneous mixture.
it's a compound
Aluminum is an element.