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Lutetium
From Wikipedia, the free encyclopedia
Lutetium ek chemical element hae, jiske Chemical symbol Lu, atomic number 71 aur atomic mass 174.97 hae. Ii Lanthanide group ke ek member hae.
Lutetium ek chemical element hae, jiske Chemical symbol Lu, atomic number 71 aur atomic mass 174.97 hae. Ii Lanthanide group ke ek member hae.