The number of protons in a nucleus is called the atomic number and always equals the number of electrons in orbit about that nucleus (in a nonionized atom). Thus, all atoms that have the same number of protons--the atomic number--are atoms of the same element.
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тнє αтσмιc nυмвєя σя nυcℓєαя cнαяgє nυмвєя σf α cнємιcαℓ єℓємєnт ιѕ тнє cнαяgє nυмвєя σf αn αтσмιc nυcℓєυѕ. fσя σя∂ιnαяч nυcℓєι cσмρσѕє∂ σf ρяσтσnѕ αn∂ nєυтяσnѕ, тнιѕ ιѕ єqυαℓ тσ тнє ρяσтσn nυмвєя σя тнє nυмвєя σf ρяσтσnѕ fσυn∂ ιn тнє nυcℓєυѕ σf єνєяч αтσм σf тнαт єℓємєnт..
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The number of protons in a nucleus is called the atomic number and always equals the number of electrons in orbit about that nucleus (in a nonionized atom). Thus, all atoms that have the same number of protons--the atomic number--are atoms of the same element.
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