Elements VS Compounds VS Mixtures

pure substance

composition is same throughout, formed with one type of matter. EX- Element or Compound

homogeneous mixture

a mixture that does not have distinguishable parts; looks the same throughout

heterogeneous mixture

a mixture that has visibly different parts; does NOT look the same throughout

Element

A substance consisting of one type of atom. All the atoms in an element have the same number of protons.

Element Examples

EX- O2, Fe, Mg, N2

Compound

Two or more different elements chemically combined ex: KCl

Compound Examples

NaCl (Salt), C6H12O6, H20(Water), CO2(Carbon Dioxide)

Solution

homogeneous mixture where a solute is dissolved in a solution.

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

heterogeneous mixture

homogeneous mixture

Element

homogeneous mixture

homogeneous

Compound

H2O

homogeneous

Picture of a Compound Example

Picture of a Mixture Example

Picture of a Element Example

Element

Compound

Element

Molecule

1 single (unit) group of atoms bonded together. . Example is CO2 or H3

Compound

Compound