Atoms are the smallest unit of matter from "summary" of Chemistry Simplified NCERT Class 11 by Sanjay Sharma
According to the fundamental principles of chemistry, atoms are considered the building blocks of matter. These minuscule particles are the basic units of all chemical elements, and they are so small that they cannot be divided further without losing their distinctive properties. In essence, atoms are the foundation upon which the entire field of chemistry is built. In the grand scheme of the universe, atoms are incredibly tiny. They are composed of even smaller subatomic particles, namely protons, neutrons, and electrons. Protons and neutrons are located within the nucleus of the atom, while electrons orbit around the nucleus in specific energy levels. The arrangement of these subatomic particles determines the characteristics and behavior of each atom. Atoms are unique in that they have a specific atomic number and mass number, which are used to identify and classify different elements. The atomic number ...
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