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El rutenio es un elemento químico de número atómico 44 situado en el grupo 8 de la tabla periódica de los elementos. Su símbolo es Ru. Es un metal de transición, poco abundante, del grupo del platino. 1 Se encuentra normalmente en minas de platino y se emplea como catalizador en algunas aleaciones de platino.
Durante el reinado de Pedro el Grande, Rusia fue proclamada imperio en 1721 y se convirtió en una de las grandes potencias europeas. Pedro, que gobernó de 1682 a 1725, derrotó a Suecia en la gran guerra del Norte (1700-1721), asegurando el acceso de Rusia al mar y al comercio marítimo.
Condolences over the death of President of Iran Ebrahim Raisi. May 20, 2024, 10:30.
17 de dic. de 2021 · Major lakes (area sq km) Fresh water lake(s): Lake Baikal - 31,500 sq km; Lake Ladoga - 18,130 sq km; Lake Onega - 9,720 sq km; Lake Khanka (shared with China) - 5,010 sq km; Lake Peipus - 4,300 sq km; Ozero Vygozero - 1,250 sq km; Ozero Beloye - 1,120 sq km Salt water lake(s): Caspian Sea (shared with Iran, Azerbaijan, Turkmenistan, and Kazakhstan) - 374,000 sq km; Ozero Malyye Chany - 2,500 ...
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RU. Internet TLD. .ru. .рф. Russia, [b] or the Russian Federation, [c] is a country spanning Eastern Europe and North Asia. It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries. [d] It is the world's ninth-most populous country and Europe's most populous country.
Russia, or the Russian Federation, is a country spanning Eastern Europe and North Asia. It is the largest country in the world by area, extending across eleven time zones and sharing land borders with fourteen countries. It is the world's ninth-most populous country and Europe's most populous country. Russia is a highly urbanized country consisting of 16 population centers with over million ...
