Iridium Element Cube Hazmat Predictions vary on whether solid

Predictions vary on whether solid copernicium would be a metal

5" x 8" x 1

Darmstadtium was first created in 1994 by the GSI Helmholtz Centre for Heavy Ion Research in the city of Darmstadt

and it was the second highest for the lanthanides behind lutetium

For anyone wanting to organize their cubes

Iridium Element Cube Hazmat Predictions vary on whether solidIridium's atomic number is 77 and its symbol is Ir. A very hard, brittle, silvery white transition metal of the platinum group, iridium is considered to be the second densest naturally occurring metal (after osmium). It is the most corrosion resistant metal, even at temperatures as high as 2000 C. Named iridium after the Greek goddess Iris, personification of the rainbow, because of the striking and diverse colors of its salts. Iridium is found in