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What element, atomic number 58, takes its name from a dwarf planet, considered a planet at the time?
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| Erbium (Er) |
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| Copper (Cu) |
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| Cerium (Ce) |
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| Molybdenum (Mo) |
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Cerium (Ce) takes its name from the dwarf planet Ceres, considered a planet at the time.
Atomic number 58, it has a standard atomic weight of 140.116, a melting point of 1068 degrees Kelvin, a boiling point of 3716 degrees Kelvin, and is a member of and Period 6.
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The correct answer was Cerium (Ce)
Cerium (Ce) takes its name from the dwarf planet Ceres, considered a planet at the time.
Atomic number 58, it has a standard atomic weight of 140.116, a melting point of 1068 degrees Kelvin, a boiling point of 3716 degrees Kelvin, and is a member of and Period 6.
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