state three points of difference between an atom and a molecule
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A molecule can be defined as the combination of two or more atoms which are held together by chemical bonds
Explanation:
atom- the smallest particle of chemical elements that can exit
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Atom
1)They are tiny particles of an element that can or cannot occur freely.
2)They may or may not exist freely.
3)Contains It contain a nucleus (proton, and neutron) and electron.
Molecule
1)Molecule is a set of atoms that came together by a bond. Also, they are the smallest unit of a compound.
2)They exist in a free state.
3)It contains two or more different or identical elements that bonded together.
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