An atom and a molecule of mercury are the same whereas an atom and a molecule of oxygen are different. Give reasons.An atom and a molecule of mercury are the same whereas an atom and a molecule of oxygen are different. Give reasons.
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A molecule is made up of atoms bonded together. So, while an atom is its own separate entity, a molecule is what you get when those atoms bond together. These might be the same elements, such as two oxygen atoms bonded together (O2), or it might be different atoms bonded together like water (H2O).
Explanation:
Atom refers to the smallest constituent unit of a chemical element. Molecules refer to a group of two or more atoms that are held together due to chemical bonds.
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