promethium
type: Concept
alternative label: Pm
broader: rare earth metal
preferred label: پرومتیم @fa
related: promethium compounds
related: promethium alloy
scope note: see also nucleus with ......

rare earth metal
type: Concept
narrower: promethium
preferred label: فلز خاک کمیاب @fa

promethium compounds
type: Concept
preferred label: ترکیبات پرومتیم @fa
related: promethium

promethium alloy
type: Concept
preferred label: آلیاژ پرومتیم @fa
related: promethium