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atomic number /ɐsˈɪstənt ˈkəʊtʃ/ n

中文：原子序数

中文 · 原子序数Español · número atómicoFrançais · numéro atomique
Meaning：Number that indicates the order of a chemical element in the table of elements and corresponds to the number of protons contained in its nucleus. atom
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Periodic table of elements

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