Their properties and composition are the same in any part of the sample.
Some examples are iron (Fe), hydrogen (H2) or carbon (C)
Some examples are granite, sand or wood.
They are also called solutions
They can cause light scattering (Tyndall effect)
Their components can be distinguished with the naked eye
Some examples are: milk, blood, or smoke
There are 118 in the Periodic Table.
Their components cannot be distinguished with the naked eye but with a microscope
Some expamples are: water (H2O). glucose (C6H12O6) or salt (NaCl)
They can be separated into simpler substances by chemical methods, such as electrolysis or thermal decomposition
Their components cannot be distinguished with the naked eye neither with a microscope
Their properties and composition vary from one part to another of the same sample
Some examples are: saltwater, bronze or alcohol 96º
There are two phases: a dispersed phase and a dispersion medium
They are pure substances made of atoms of different elements
They cannot be separated into simpler substances.
They are made of the same type of atoms