Elements, Compounds,

Homogeneous mixtures &

Heterogeneous mixtures

The following flashcards are to practice the examples of elements, compounds,

homogeneous mixtures & heterogeneous mixtures.

Air(N2, CO2, O2 and

others)

Homogeneous mixture

Sulfur(S)

Element

Concrete(limestone, shale,

gravel, etc.)

Heterogeneous mixture

Muddy Water(rocks, org. matter &

water)

Heterogeneous mixture

Mercury (Hg)

Element

Hematite (or rust)(Fe2O3)

Compound

Phosphorus (P)

Element

Water(H2O)

Compound

Sodium Chloride , or salt

(NaCl)

Element

Hydrogen Peroxide(H2O2)

Compound

Windex window cleaner

(NH3, H2O, colorings, etc.)

Homogeneous mixture

Carbon Dioxide (CO2)

Compound

Nitrogen (N2)

Element

Silver(Ag)

Element

Brass(CuZn)

Compound

Asprin(C9H804)

Compound

Nail Polish Remover(acetone, water,

etc.)

Homogeneous mixture

Vinegar(HC2H3O2 + H2O)

Homogeneous mixture

Salt water(NaCl & H2O)

Homogeneous mixture

Copper Sulfate & water

(CuSO4 & H2O)

Homogeneous mixture

14 –karat gold(Au, CU, Ni, & Ag)

Homogeneous mixture

Baking Soda(Na HCO3)

Compound

Copper(Cu)

Element

Milk(various organic

materials & water)

Heterogeneous mixture

Oil Based paint

Heterogeneous mixture

Orange Juice

Heterogeneous mixture

Beach Sand (SiO2, shells, org.

matter, etc)

Heterogeneous mixture

Oatmeal Cookie(organic materials)

Heterogeneous mixture

Gummy Bear in water

(sugar, water & colorings)

Heterogeneous mixture

Iron & Sulfur(Fe & S)

Heterogeneous mixture

Granite(SiO2, mica, feldspar,

etc.)

Heterogeneous mixture

Sodium Chromate &water

(Na2CrO4 & H2O)

Homogeneous mixture

Opal(SiO2 & H2O)

Heterogeneous mixture

Copper Sulfate crystals(CuSO4)

Compound

Iron(Fe)

Element

Calcium Carbonate(CaCO3)

Compound

Gatorade(water, sugar &

colorings)

Heterogeneous mixture