| Element 110, darmstadtium, is a synthetic element that is not present in the environment at all. |
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| Element 110 or darmstadtium as it is informally called, was discovered at the Laboratory for Heavy Research in Darmstadt, Germany. |
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| I've updated the Periodic Table entries for the halogen astatine and for darmstadtium, which you may know better as element 110 or ununnilium. |
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| Element 110 was named darmstadtium after the German city where the GSI is located. |
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| However, unlike its stable family members, darmstadtium decays after a fraction of a thousandth of a second by emitting alpha particles - fast moving helium-like particles. |
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