- Grey metal - Nuclear fuel - Nuclear fuel found in Nauru? I’m confused - Nuclear reactor’s fuel - Radioactive element - Usually radioactive as norm, initially upon merging - Yellowcake product
- Bluish-white metal - Chemist's Sb - Metallic element - An elementary substance, resembling a metal in its
appearance and physical properties, but in its chemical relations
belonging to the class of nonmetallic substances. Atomic weight, 120.
Symbol, Sb.