The name 'lutetium' is derived from 'Lutetia', the Latin name for which city?

Lutetia is mythical — not a real city

Which lutetium compound is widely used as a host material in solid-state lasers and as a synthetic garnet (LuAG)?

Lutetium aluminium garnet (Lu3Al5O12)

As a fuel in internal combustion engines

Radionuclide therapy and scintillator crystals for PET/SPECT detectors

As the main constituent of common window glass

As a dietary supplement for calcium

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01Lutetium is generally classified as which type of element?
02What is the atomic number of lutetium?
03The name 'lutetium' is derived from 'Lutetia', the Latin name for which city?
04Who is credited with the discovery (isolation/identification) of lutetium in 1907?
05Which oxide is the characteristic stable oxide of lutetium often called 'lutetia'?
06Which isotope of lutetium is the most abundant naturally occurring isotope?
07Which lutetium compound is widely used as a host material in solid-state lasers and as a synthetic garnet (LuAG)?
08What is the chemical symbol for lutetium?
09What is the most common oxidation state of lutetium in compounds?
10Which of the following is a primary modern medical or technological use of lutetium?