what are the characteristics of the atom of an element, according to the atomic theory ?
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Atoms themselves are composed of protons, neutrons, and electrons. Each element has its own atomic number, which is equal to the number of protons in its nucleus. Isotopes of an element contain different numbers of neutrons. Elements are represented by an atomic symbol.
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atoms themselves are composed of protons, neutrons and electrons. each element has It own atomic number which is equal to the number of protons in it nuscles . isotopes of an element contain different numbers of neutrons. elements are represented by an atomic symbol.
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