Lutetium element (Lu) is in period 6 of a periodic table. Lutetium is in the f-block and it is classified as a lanthanide on the periodic table.
There is a lot more information related to lutetium which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Lutetium element (Information Table)
- Lutetium element in Periodic table
- Facts about Lutetium
- Properties of Lutetium
- Uses of Lutetium
Lutetium Element (Information Table)
The important data related to lutetium element is given in the table below.
|Appearance of lutetium||Silvery white appearance|
|Atomic number of lutetium||71|
|Symbol of lutetium||Lu|
|Atomic mass of lutetium||174.97 u|
|Protons, Neutrons & Electrons in lutetium||Protons: 71, Neutrons: 104, Electrons: 71|
|State of lutetium (at STP)||Solid|
|Period number of lutetium in periodic table||6|
|Block of lutetium in periodic table||f-block|
|Category of lutetium||Inner transition metals|
|Bohr model or Electrons per shell or Electrons arrangement in lutetium||2, 8, 18, 32, 9, 2|
|Electron configuration of lutetium||[Xe] 4f14 5d1 6s2|
|Orbital diagram of lutetium|
|Electronegativity of lutetium (on pauling scale)||1.27|
|Atomic radius of lutetium (van der Waals radius)||221 picometers|
|Density of lutetium||9.84 g/cm3|
|1st ionization energy of lutetium||5.426 eV|
|Main isotope of lutetium||175Lu|
|Melting point of lutetium||1925 K or 1652 °C or 3006 °F|
|Boiling point of lutetium||3675 K or 3402 °C or 6156 °F|
|Crystal structure of lutetium||Hexagonal Close Packed (HCP)|
|Discovery of lutetium||By Georges Urbain and Carl Auer von Welsbach (in 1906)|
Also see: Interactive Periodic Table (It has rotating bohr models as well as many other details of all the 118 elements in a single periodic table).
Lutetium element in Periodic table
The Lutetium element (Lu) has the atomic number 71 and is located in period 6. Lutetium is a metal and it is classified as a lanthanide group element.
Click on above elements in the periodic table to see their information.
Facts about lutetium
Here are a few interesting facts about lutetium element.
- Georges Urbain and Carl Auer von Welsbach discovered lutetium in the year 1906.
- Lutetium was given its name from the word “Lutetia”, which was the ancient name for Paris.
- Lutetium is the least abundant lanthanide on the periodic table.
- The earth’s crust has a lutetium in the proportion of 0.6 ppm by weight.
- Lutetium is mostly obtained from its ore monazite.
Properties of lutetium
Here is a list of some physical properties and chemical properties of lutetium.
Physical properties of lutetium
- Lutetium has a silvery white appearance.
- Lutetium has density of 9.84 g/cm3 and its atomic mass is 174.97 amu.
- The melting point and boiling point of lutetium is 1925 K and 3675 K respectively.
- Lutetium has many isotopes, and the most abundant isotope is 175Lu.
- Lutetium has a HCP crystal structure.
Chemical properties of lutetium
- Lutetium tarnishes when kept open in the air.
- Lutetium has an electronegativity of 1.27 on the pauling scale.
- Lutetium has a most common +3 oxidation state and it exists as a Lu3+ ion in its compounds.
Uses of lutetium
Here are some uses of the lutetium element.
- Lutetium hydroxide is used for cracking hydrocarbons.
- 176Lu is used to find the age of meteorites.
- 177Lu is used to treat cancer.
- Lutetium – Element information, properties and uses | Periodic Table. (n.d.). Lutetium – Element Information, Properties and Uses | Periodic Table. https://www.rsc.org/periodic-table/element/71/lutetium
- Lutetium – Wikipedia. (2020, March 6). Lutetium – Wikipedia. https://en.wikipedia.org/wiki/Lutetium
- Bondi, A. (1964, March). van der Waals Volumes and Radii. The Journal of Physical Chemistry, 68(3), 441–451. https://doi.org/10.1021/j100785a001
- Holden, et al. (2018, December 1). IUPAC Periodic Table of the Elements and Isotopes (IPTEI) for the Education Community (IUPAC Technical Report). Pure and Applied Chemistry, 90(12), 1833–2092. https://doi.org/10.1515/pac-2015-0703
- Zhang, et al. (2011, January 11). Corrected Values for Boiling Points and Enthalpies of Vaporization of Elements in Handbooks. Journal of Chemical & Engineering Data, 56(2), 328–337. https://doi.org/10.1021/je1011086
- It’s Elemental – The Element Lutetium. (n.d.). It’s Elemental – the Element Lutetium. https://education.jlab.org/itselemental/ele071.html
- P. (n.d.). Lutetium | Lu (Element) – PubChem. Lutetium | Lu (Element) – PubChem. https://pubchem.ncbi.nlm.nih.gov/element/Lutetium
- Periodic Table of Elements: Los Alamos National Laboratory. (n.d.). Periodic Table of Elements: Los Alamos National Laboratory. https://periodic.lanl.gov/71.shtml
- Atomic Weight of Lutetium | Commission on Isotopic Abundances and Atomic Weights. (n.d.). Atomic Weight of Lutetium | Commission on Isotopic Abundances and Atomic Weights. https://ciaaw.org/lutetium.htm
- Atomic Data for Lutetium (Lu). (n.d.). Atomic Data for Lutetium (Lu). https://physics.nist.gov/PhysRefData/Handbook/Tables/lutetiumtable1.htm
- Lutetium | Lu | ChemSpider. (n.d.). Lutetium | Lu | ChemSpider. http://www.chemspider.com/Chemical-Structure.22371.html?rid=570e512a-ce91-4eb4-87bb-a24aa7f8e813
- Prohaska, T., et al. (2022, May 1). Standard atomic weights of the elements 2021 (IUPAC Technical Report). Pure and Applied Chemistry, 94(5), 573–600. https://doi.org/10.1515/pac-2019-0603
- Haynes, W. M. (Ed.). (2014, June 4). CRC Handbook of Chemistry and Physics. https://doi.org/10.1201/b17118
- Kaye, G W.C., & Laby, T H. Tables of physical and chemical constants. 15th Edition. United States.
- Sansonetti, J. E., & Martin, W. C. (2005, December). Handbook of Basic Atomic Spectroscopic Data. Journal of Physical and Chemical Reference Data, 34(4), 1559–2259. https://doi.org/10.1063/1.1800011
Jay is an educator and has helped more than 100,000 students in their studies by providing simple and easy explanations on different science-related topics. With a desire to make learning accessible for everyone, he founded Knords Learning, an online chemistry learning platform that provides students with easily understandable explanations.
Read more about our Editorial process.