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Lutetium

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Lutetium
174.967(1)



  Lu
71
1s22s22p63s23p63d104s24p6 4d105s25p64f145d16s2
[ ? ] Lanthanide:
Properties:
Silvery white metal.


Lutetium is a chemical element, having the chemical symbol Lu. Its atomic number (the number of protons) is 71. It has a standard atomic weight of 174.967 g•mol −1 and is a solid in its elemental form.

Lutetium is considered a member of the "Lanthanide" class of elements. At a pressure of 101.325 kPa, it has a boiling point of 3,402°C and a melting point of 1,663 °C.