Frequently Asked Questions about Lutetium
What is the atomic number of lutetium?
Lutetium has an atomic number of 71, meaning each atom contains 71 protons in its nucleus.
What is the atomic mass of lutetium?
The standard atomic weight of lutetium is 174.97 u (unified atomic mass units).
What category does lutetium belong to?
Lutetium is classified as a lanthanide.
What is the state of lutetium at room temperature?
Lutetium is a solid at 20 °C (68 °F).
What is the melting point of lutetium?
The melting point of lutetium is 1662.85 °C / 1936 K.
What is the boiling point of lutetium?
The boiling point of lutetium is 3401.85 °C / 3675 K.
What is the density of lutetium?
The density of lutetium is 9.84 g/cm³ (20°C).
What is the electronegativity of lutetium?
Lutetium has a Pauling electronegativity of 1.27.
What is the electron configuration of lutetium?
The electron configuration of lutetium is [Xe] 4f14 5d1 6s2.
What are the common oxidation states of lutetium?
Lutetium commonly exhibits the following oxidation states: +3.
When was lutetium discovered?
Lutetium was discovered in 1907 by Georges Urbain and Carl Auer von Welsbach.
Is lutetium radioactive?
Lutetium is a stable element with no naturally occurring radioactive isotopes.
What is the biological role of lutetium?
No known biological role.
What are the common uses of lutetium?
Lutetium is used for: PET scan detectors; Catalysts; Research.
