A Visual Encyclopedia of the Periodic Table

106

Transition Metals

Darmstadtium

Ds

110

Roentgenium

Rg

111

This artificial element is named after the

German city of Darmstadt – the home

of the Institute for Heavy Ion Research

where this element was first produced.

A team led by the German physicist Sigurd

Hofmann created darmstadtium by smashing

nickel atoms into lead atoms in a particle

accelerator (a machine in which atoms are

smashed together).

Scientists believe that this metal

shares many characteristics with

precious metals, such as gold and silver.

However, its atoms break apart within

seconds, so this has not yet been confirmed.

Roentgenium was created in Darmstadt,

Germany. It was named after Wilhelm

Röntgen, the German scientist who

discovered X-rays in 1895.

Sigurd Hofmann

Wilhem Röntgen

(^111111171)
State: Solid
Discovery: 1994
110 110 171
State: Solid
Discovery: 1994
106-107_Darmstadtium_Roentgenium_Copernicium.indd 106 12/12/16 5:39 pm