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Actinides
Series on the Periodic Table
PROPERTIES & USES
Properties
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Radioactive
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Highly electropositive
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Combine directly with most nonmetals
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Very dense, with distinctive structures
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Tarnish readily in air
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​Uranium
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​Nuclear weapon
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Plutonium
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​Power source for nuclear power plants
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Californium
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​Used in smoke detectors
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Americium
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​Utilized in cancer treatment
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Curium
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​Power source in space vehicles
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Uses


Sources
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Thorium: Dune sands of India
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Uranium: Present in almost all soils
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Neptunium: Groundwater
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Plutonium: Uranium-rich ores
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Einsteinium: Produced by nuclear reactors

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