Chemistry fundamentals

Electrolyte

An electrolyte is a substance that dissociates into ions when dissolved in water or other polar solvents, enabling the solution to conduct electric current. Electrolytes are essential in chemistry, biology, and engineering because they mediate ion transport, electrical conduction, and chemical reactions. Common electrolytes include salts, acids, and bases, which provide cations (positively charged ions) […]

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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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Oxygen

Oxygen (O) is a chemical element with atomic number 8 and symbol O. It is a highly reactive non-metal and a member of the chalcogen group in the periodic table. Oxygen is essential for life on Earth, forming the basis of cellular respiration in aerobic organisms and participating in numerous chemical and industrial processes. About

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