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La Unión Internacional de Química Pura y Aplicada (IUPAC, por sus siglas en inglés) aprobó los nombres y símbolos para los nuevos elementos de la tabla periódica. Son cuatro los que complementan la séptima fila de Mendeléyev. Estos son:

➡ Nihonium (Nh), para el elemento 113

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➡ Moscovium (Mc), para el elemento 115

➡ Tennessine (Ts), para el elemento 117

➡ Oganesson (Og), para el elemento 118

El elemento 113 fue descubierto por japoneses, por esto, se nombró como Nihonium porque Nihon significa Japón. El elemento 115 tiene el nombre de la región de Moscú, lugar donde está el Instituto Central de Investigaciones Nucleares. Respecto al elemento 117, le colocaron el nombre de Tennessee (EE.UU.); por último, el elemento 118 rinde homenaje al físico nuclear ruso Yuri Oganesián.

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