110. Darmstadtium
Name: Darmstadtium
Symbol: Ds
Atomic Number: 110
Atomic Mass: (269.0) amu
Melting Point: Unknown
Boiling Point: Unknown
Number of Protons/Electrons: 110
Number of Neutrons: 159
Classification: Transition Metal
Crystal Structure: Unknown
Density(293 K): Unknown
Color: Unknown
Element 110, darmstadtium, is a synthetic element that is not present in the environment at all.
It was first created on November 9, 1994 at the Gesellschaft fur Schwerionenforschung (GSI) in Darmstadt, Germany. It has never been seen and only a few atoms of it have been created by the nuclear fusion of isotopes of lead and nickel in a heavy ion accelerator (nickel atoms are the ones accelerated and bombarded into the lead).
Scientists are not always serious, so some suggested the name policium for the new element, because 110 is the emergency telephone number of the German police (similar to 911 in the USA etc). The element was named after the place of its discovery, Darmstadt (actually, the GSI is located in Wixhausen, a small suburb north of Darmstadt). The new name was given to it by the IUPAC in August 2003.
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