atomic structure

Atom

An atom is the smallest unit of ordinary matter that retains the chemical properties of an element. Atoms are the fundamental building blocks of matter, forming molecules, compounds, living organisms, planets, and stars. Every solid, liquid, gas, and plasma—excluding exotic states such as neutron stars—is composed of atoms. The modern atomic concept emerged gradually, from […]

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List of Chemical elements

A list of chemical elements is an organized catalog of the known fundamental substances that consist of atoms defined by a specific number of protons in their nuclei. Each element represents a distinct form of matter and is arranged within the periodic table according to atomic number, electron structure, and recurring chemical properties. As of

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