Unit 1: Element, compound, solution, or heterogeneous mixture?

carbon dioxide

compound

grain alcohol

compound

sulfuric acid

compound

water

compound

aluminum

element

mercury

element

nitrogen

element

sulfur

element

a pencil

heterogeneous mixture

an orange

heterogeneous mixture

raisin bread

heterogeneous mixture

water and instant coffee

heterogeneous mixture

air

solution

carbon particles and sugar

solution

gasoline

solution

sugar and water

solution