
Что такое атом? Расскажите значение


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What is an atom?
An atom is the basic unit of matter. It is the smallest particle of an element that retains the chemical properties of that element. Atoms are composed of subatomic particles, including protons, neutrons, and electrons. The protons and neutrons are located in the nucleus at the center of the atom, while the electrons orbit around the nucleus in energy levels or shells. The number of protons in an atom determines its atomic number, which defines the element. The electrons in an atom are negatively charged and balance out the positive charge of the protons, resulting in a neutral atom. The neutrons have no charge and contribute to the mass of the atom. The arrangement and interactions of these subatomic particles determine the chemical behavior and properties of atoms.
Key Points: - An atom is the basic unit of matter. - It consists of protons, neutrons, and electrons. - Protons and neutrons are located in the nucleus, while electrons orbit around the nucleus. - The number of protons determines the atomic number and defines the element. - Electrons balance out the positive charge of protons, resulting in a neutral atom. - The arrangement and interactions of subatomic particles determine the chemical behavior and properties of atoms.


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