Atomic Number: 71

Protons: 71

Electrons: 71

Neutrons: 104

Average Atomic Mass: 174.967 amu

Isotopes: Lutetium-69 Lutetium-70 Lutetium-71 Lutetium-72 Lutetium-73 Lutetium-74 Lutetium-175 Lutetium-176 Lutetium-177

Discovery: Lutetium was discovered by Georges Urbain and Carl Auer von Welsbach at 1907 in France andGermany.

Name: The word Lutetium comes from Greek, meaning Paris

Uses: Lutetium is used for alloys

Interesting Facts: