Alcohol is a compound
A compound; regular drinking alcohol has formula C2H5OH, other alcohols have similar formulas. Of course, if you mixed more than one type of alcohol together, it would be a mixture.
Grain alcohol is a homogeneous mixture because it is composed of alcohol and water, which are completely mixed at the molecular level. It is not an element or compound on its own, but a mixture of different substances.
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.
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.
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.
compound and element
Beverage alcohol (ethanol) is a compound. But in drinks it is mixed with other substances.
heterogeneous
compound
It is an element.
heterogeneous
Concrete is a heterogeneous mixture.
it is a heterogeneous
Vinegar is a homogeneous mixture.
Homogeneous mixture
This is a heterogeneous mixture.
Cheerios is a heterogeneous mixture.