Image of Thorium #2 (Th, atomic number 90): this graphic shows thorium atoms arranged in a face centred cubic, FCC (or cubic close packed, CCP) crystal. Thorium is a very heavy and somewhat radioactive element.
Illustration ID: Thorium-2
Russell Kightley
Illustration size: 25.0 Mpixels (71.5 MB uncompressed) - 5000x5000 pixels (16.7x16.7 in / 42.3x42.3 cm at 300 ppi)