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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
October 1, 2025
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Обновлено:
14 ноя 2022
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19 окт 2022
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События
Oxígeno (1770)
Teoría Atómica (1808)
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Síntesis de la urea (1828)
Estructura Química (1850)
Tabla Periódica de los Elementos (1860 - 1870)
El electrón (1897)
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