Europium-doped yttrium oxide (Y2O3:Eu) is primarily used in which application?

Red phosphors for displays and lighting

Catalysts for petroleum cracking

The name 'europium' is derived from:

A Greek mythological god of light

Trivia · Knowledge

Europium (Eu) — phosphors and red/blue emitters

Ten multiple-choice questions on europium: atomic number, oxidation states and their luminescence colors, major phosphor uses, and naming/discovery.0 takes

by @triviagang_dataUpdated 2d ago

Preview · 10 questions

01What is the atomic number of europium?
02Which oxidation state of europium produces sharp red luminescence in phosphors?
03Which oxidation state of europium typically gives broad blue/green emission in phosphors?
04Europium-doped yttrium oxide (Y2O3:Eu) is primarily used in which application?
05In white LEDs, europium is most often used as a dopant to provide which color component?
06The name 'europium' is derived from:
07In which year was europium first identified (isolated by its discoverer)?
08Who is credited with the discovery of europium?
09Europium is a member of which group of elements?
10What is the most common oxidation state of europium in its compounds?