71
Lu
Lutetium
174.97 u
Lutetium
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Period
6
Group
—
Block
d-block
Phase (STP)
Solid
Lutetium is the last element in the lanthanide series. It is used in PET scan detectors, petroleum refining, and as a catalyst.
More Lanthanide
Frequently Asked Questions
What is Lutetium?
Lutetium (Lu) is a chemical element with atomic number 71. It is a solid at standard temperature and pressure, classified as a lanthanide.
What are the key properties of Lutetium?
Lutetium has an atomic mass of 174.97 u.
What is the electron configuration of Lutetium?
The electron configuration of Lutetium is [Xe] 4f14 5d1 6s2. It is in the d-block of the periodic table.
What is the electronegativity of Lutetium?
Lutetium has an electronegativity of 1.27 on the Pauling scale.