Some examples are: saltwater, bronze or alcohol 96º
They are made of the same type of atoms
They are also called solutions
They are pure substances made of atoms of different elements
Some examples are granite, sand or wood.
Their components cannot be distinguished with the naked eye neither with a microscope
They can be separated into simpler substances by chemical methods, such as electrolysis or thermal decomposition
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.
Some examples are iron (Fe), hydrogen (H2) or carbon (C)
They cannot be separated into simpler substances.
Their components can be distinguished with the naked eye
Some examples are: milk, blood, or smoke
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 but with a microscope