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Your search for ′What is the smallest unit of ordinary matter that forms a chemical element′ returned the following results:
An atom
An atom is the smallest unit of ordinary matter that constitutes a chemical element, and every state of matter is composed of atoms.
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Atoms
Atoms are the smallest unit of ordinary matter that forms a chemical element.
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the atom
An atom is the smallest constituent unit of matter that has the properties of a chemical element.
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Atom
Atom is the smallest unit which defines the chemical elements and their respective isotopes.
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