An atom is the smallest unit of matter. It possesses the characteristics of an element. A nucleus is a compact centre surrounded by a succession of surrounding shells that make up an atom. These shells have electrons in them. Protons and neutrons are found in the nucleus. Neutrons have a neutral charge, while protons have a positive charge. Access our Structure of Atom Notes to get better understanding of this concept.
A molecule is made up of two or more atoms that are securely bonded together. Diatomic molecules are those that are made up of two atoms. Diatomic molecules include oxygen, nitrogen, hydrogen, and iodine. The diatomic molecules make up the majority of the Earth’s atmosphere. The smallest component of a substance is a molecule.
Difference between Atom and Molecule:
Understanding the difference between an atom and a molecule is crucial in the study of chemistry.
At a glance, an atom is the smallest unit of an element that retains the chemical properties of that element, while a molecule is a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
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