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Uranium is a chemical element with symbol U and atomic number 92. It is a silvery-white metal in the actinide series of the periodic table. A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium is weakly radioactive because all its isotopes are unstable (with half-lives of the six naturally known isotopes, uranium-233 to uranium-238, varying between 69 years and 4.5 billion years). The most common isotopes of uranium are uranium-238 (which has 146 neutrons and accounts for almost 99.3% of the uranium found in nature) and uranium-235 (which has 143 neutrons, accounting for 0.7% of the element found naturally). Uranium has the second highest atomic weight of the primordially occurring elements, lighter only than plutonium. Its density is about 70% higher than that of lead, but slightly lower than that of gold or tungsten. It occurs naturally in low concentrations of a few parts per million in soil, rock and water, and is commercially extracted from uranium-bearing minerals such as uraninite.

What color is uranium?
Answer: silvery-white
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Arsenal began winning silverware again with the surprise appointment of club physiotherapist Bertie Mee as manager in 1966. After losing two League Cup finals, they won their first European trophy, the 196970 Inter-Cities Fairs Cup. This was followed by an even greater triumph: their first League and FA Cup double in 197071. This marked a premature high point of the decade; the Double-winning side was soon broken up and the following decade was characterised by a series of near misses, starting with Arsenal finishing as FA Cup runners up in 1972, and First Division runners-up in 197273.

For how long after Arsenal's first trophy win the team do poorly competitions?
Answer: decade
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Bertrand Russell saw the Enlightenment as a phase in a progressive development, which began in antiquity, and that reason and challenges to the established order were constant ideals throughout that time. Russell said that the Enlightenment was ultimately born out of the Protestant reaction against the Catholic counter-reformation, and that philosophical views such as affinity for democracy against monarchy originated among 16th-century Protestants to justify their desire to break away from the Catholic Church. Though many of these philosophical ideals were picked up by Catholics, Russell argues, by the 18th century the Enlightenment was the principal manifestation of the schism that began with Martin Luther.

Who does Betrand Russell started the schism that lead to the Enlightenment?
Answer:
Martin Luther