Science Quiz / Rare Earth Elements

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Can you name the Rare Earth Elements?

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Score 0/17 Timer 05:00
Used inElementSymbol
Light Aluminium-scandium alloy for aerospace components, additive in Mercury-vapor lamps.Sc
Lasers, TVs and MicrowavesY
High refractive index glass, flint, hydrogen storage, battery-electrodes, camera lenses, fluid catalytic cracking catalyst for oil refineriesLa
Chemical oxidizing agent, polishing powder, yellow colors in glass and ceramics, catalyst for self-cleaning ovens, fluid catalytic cracking catalyst for oil refineriesCe
Rare-earth magnets, lasers, core material for carbon arc lighting, colorant in glasses and enamels, additive in Didymium glass used in welding goggles, ferrocerium firesteel (flintPr
Rare-earth magnets, lasers, violet colors in glass and ceramics, ceramic capacitorsNd
Nuclear batteriesPm
Rare-earth magnets, lasers, neutron capture, masersSm
Red and blue phosphors, lasers, mercury-vapor lamps, NMR relaxation agentEu
Used inElementSymbol
Rare-earth magnets, high refractive index glass or garnets, lasers, X-ray tubes, computer memories, neutron capture, MRI contrast agent, NMR relaxation agentGd
Green phosphors, lasers, fluorescent lampsTb
Rare-earth magnets, lasersDy
LasersHo
Lasers, vanadium steelEr
Portable X-ray machinesTm
Infrared lasers, chemical reducing agentYb
PET Scan detectors, high refractive index glassLu

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