Lawrencium element (Lr) is in period 7 of a periodic table. Lawrencium is in the f-block and it is classified as an actinide on the periodic table.
There is a lot more information related to lawrencium which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Lawrencium element (Information Table)
- Lawrencium element in Periodic table
- Facts about Lawrencium
- Properties of Lawrencium
- Uses of Lawrencium
Lawrencium Element (Information Table)
The important data related to lawrencium element is given in the table below.
|Atomic number of lawrencium||103|
|Symbol of lawrencium||Lr|
|Atomic mass of lawrencium (most stable isotope)||266 u|
|Protons, Neutrons & Electrons in lawrencium||Protons: 103, Neutrons: 159, Electrons: 103|
|State of lawrencium (at STP)||Solid|
|Period number of lawrencium in periodic table||7|
|Block of lawrencium in periodic table||f-block|
|Category of lawrencium||Inner transition metals|
|Bohr model or Electrons per shell or Electrons arrangement in lawrencium||2, 8, 18, 32, 32, 9, 2|
|Electron configuration of lawrencium||[Rn] 5f14 7s2 7p1|
|Orbital diagram of lawrencium|
|Electronegativity of lawrencium (on pauling scale)||1.3|
|Density of lawrencium (predicted)||14.4 g/cm3|
|Main isotope of lawrencium||262Lr|
|Melting point of lawrencium (predicted)||1900 K or 1627 °C or 2961 °F|
|Crystal structure of lawrencium (predicted)||Hexagonal Close Packed (HCP)|
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).
Lawrencium element in Periodic table
The Lawrencium element (Lr) has the atomic number 103 and is located in period 7. Lawrencium is a metal and it is classified as an actinide group element.
Click on above elements in the periodic table to see their information.
Facts about lawrencium
Here are a few interesting facts about the lawrencium element.
- Lawrencium was given its name to honor the chemist Ernst Lawrence.
- Lawrencium is not available naturally and it is an artificially made element.
- Lawrencium has 14 isotopes and all these isotopes are radioactive in nature.
- 266Lr is the most stable isotope of lawrencium and it has a half life of 10 hours.
Properties of lawrencium
Here is a list of some physical properties and chemical properties of lawrencium.
- Lawrencium is harmful as well as a radioactive element.
- The predicted density of lawrencium is 14.4 g/cm3 and its most stable isotope has an atomic mass 266 amu.
- The crystal structure of lawrencium is predicted as HCP.
- The melting point of lawrencium is 1900 K (predicted).
- The most common oxidation states of lawrencium are +3 and +2.
Uses of lawrencium
Lawrencium has no commercial uses due to its radioactive nature and scarcity, but it is generally used for research work in chemistry.
- Lawrencium – Element information, properties and uses | Periodic Table. (n.d.). Lawrencium – Element Information, Properties and Uses | Periodic Table. https://www.rsc.org/periodic-table/element/103/lawrencium
- Lawrencium – Wikipedia. (2020, March 15). Lawrencium – Wikipedia. https://en.wikipedia.org/wiki/Lawrencium
- P. (n.d.). Lawrencium | Lr (Element) – PubChem. Lawrencium | Lr (Element) – PubChem. https://pubchem.ncbi.nlm.nih.gov/element/Lawrencium
- It’s Elemental – The Element Lawrencium. (n.d.). It’s Elemental – the Element Lawrencium. https://education.jlab.org/itselemental/ele103.html
- Lawrencium | CCDC. (n.d.). Lawrencium | CCDC. https://www.ccdc.cam.ac.uk/elements/lawrencium/
- Periodic Table of Elements: Los Alamos National Laboratory. (n.d.). Periodic Table of Elements: Los Alamos National Laboratory. https://periodic.lanl.gov/103.shtml
- Nagame, Y. (2016, February 19). Lawrencium’s place at the table. Nature Chemistry, 8(3), 282–282. https://doi.org/10.1038/nchem.2460
- Henderson, R. A. (2018, July 5). Chemical and nuclear properties of lawrencium (element 103) and hahnium (element 105). Chemical and Nuclear Properties of Lawrencium (Element 103) and Hahnium (Element 105) – UNT Digital Library. https://doi.org/10.2172/6362919
- Lawrencium experiment could shake up periodic table. (2015, April 8). Lawrencium Experiment Could Shake up Periodic Table | Research | Chemistry World. https://www.chemistryworld.com/news/lawrencium-experiment-could-shake-up-periodic-table/8438.article
- 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
- 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
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