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