The smallest part of an element can be divided into using a chemical reaction

Made up of 2 or more different elements chemical bonded together

A group of atoms chemically bonded together ( the atoms may be the same or different)

A substance containing identical atoms

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Atoms and molecules: basic definitions

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1What is an atom
1. AThe smallest part of an element can be divided into using a chemical reaction
2. BMade up of 2 or more different elements chemical bonded together
3. CA group of atoms chemically bonded together ( the atoms may be the same or different)
4. DA substance containing identical atoms