Top: Science: Chemistry: Elements: Transactinides:
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Bohrium
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(7)
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Darmstadtium
@
(1)
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Dubnium
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(6)
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Hassium
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(7)
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Meitnerium
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(5)
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Roentgenium
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(1)
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Rutherfordium
@
(6)
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Seaborgium
@
(7)
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Ununquadium
@
(1)
