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A chunk of pure matter, having a particular set of properties, can be divided into ever smaller pieces, down to individual molecules, which are composed of:
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atoms |
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photons |
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quarks |
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protons |
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electrons |
Explanation
Moelecules are composed of atoms, linked toegether by covalent bonds. Molecules are the smallest pieces of a chemical substance that still retain the chemical properties of the substance. When a molecule is broken into its constituent atoms, the individual atoms can have much different properties than the molecule from which they came.
There are only about a hundred different types of atoms that are found in nature. Each atom is made up from combinations of protons, neutrons and electrons.
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