Berkelium element (Bk) is in period 7 of a periodic table. Berkelium is in the f-block and it is classified as an actinide on the periodic table.
There is a lot more information related to berkelium which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Berkelium element (Information Table)
- Berkelium element in Periodic table
- Facts about Berkelium
- Properties of Berkelium
- Uses of Berkelium
Berkelium Element (Information Table)
The important data related to berkelium element is given in the table below.
|Appearance of berkelium||Silvery white appearance|
|Atomic number of berkelium||97|
|Symbol of berkelium||Bk|
|Atomic mass of berkelium (most stable isotope)||247 u|
|Protons, Neutrons & Electrons in berkelium||Protons: 97, Neutrons: 150, Electrons: 97|
|State of berkelium (at STP)||Solid|
|Period number of berkelium in periodic table||7|
|Block of berkelium in periodic table||f-block|
|Category of berkelium||Inner transition metals|
|Bohr model or Electrons per shell or Electrons arrangement in berkelium||2, 8, 18, 32, 27, 8, 2|
|Electron configuration of berkelium||[Rn] 5f9 7s2|
|Orbital diagram of berkelium|
|Atomic radius of berkelium (van der Waals radius)||244 picometers|
|Density of berkelium||14.79 g/cm3|
|1st ionization energy of berkelium||6.23 eV|
|Main isotopes of berkelium||247Bk and 249Bk|
|Melting point of berkelium||1259 K or 986 °C or 1807 °F|
|Crystal structure of berkelium||Double Hexagonal Close Packing (DHCP)|
|Discovery of berkelium||By Glenn T. Seaborg, Albert Ghiorso, Kenneth Street Jr. and Stanley G. Thompson (in 1949)|
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).
Berkelium element in Periodic table
The Berkelium element (Bk) has the atomic number 97 and is located in period 7. Berkelium 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 berkelium
Here are a few interesting facts about the berkelium element.
- Glenn T. Seaborg, Albert Ghiorso, Kenneth Street Jr. and Stanley G. Thompson discovered berkelium in the year 1949.
- Berkelium was given its name from the Lawrence Berkeley National Laboratory which is in California.
- 247Bk is the isotope of berkelium which has a half life of 1380 years.
- Berkelium is not available naturally and it can only be prepared in the laboratory.
Properties of berkelium
Here is a list of some physical properties and chemical properties of berkelium.
Physical properties of berkelium
- Berkelium has a silvery white metallic appearance.
- The most stable isotope of berkelium has the atomic mass 247 amu and its density is 14.79 g/cm3.
- Berkelium has a DHCP (double hexagonal close packed) crystal structure at room temperature.
Chemical properties of berkelium
- At higher temperatures, berkelium reacts with oxygen and forms a thin oxide layer.
- Berkelium can be dissolved in aqueous mineral acids and it liberates hydrogen gas during this reaction.
- Berkelium also reacts with hydrogen and halogens.
Uses of berkelium
Berkelium is generally used for research work and it does not have any commercial uses because of its radioactive nature.
- Berkelium – Element information, properties and uses | Periodic Table. (n.d.). Berkelium – Element Information, Properties and Uses | Periodic Table. https://www.rsc.org/periodic-table/element/97/berkelium
- Berkelium – Wikipedia. (2010, March 1). Berkelium – Wikipedia. https://en.wikipedia.org/wiki/Berkelium
- P. (n.d.). Berkelium | Bk (Element) – PubChem. Berkelium | Bk (Element) – PubChem. https://pubchem.ncbi.nlm.nih.gov/element/Berkelium
- It’s Elemental – The Element Berkelium. (n.d.). It’s Elemental – the Element Berkelium. https://education.jlab.org/itselemental/ele097.html
- 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
- 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
- C&EN: IT’S ELEMENTAL: THE PERIODIC TABLE – BERKELIUM. (n.d.). C&EN: IT’S ELEMENTAL: THE PERIODIC TABLE – BERKELIUM. https://pubsapp.acs.org/cen/80th/berkelium.html?
- Thompson, S., Ghiorso, A., & Seaborg, G. (1950, April 26). THE NEW ELEMENT BERKELIUM (ATOMIC NUMBER 97). https://doi.org/10.2172/932815
- Thompson, S. G., Ghiorso, A., & Seaborg, G. T. (1950, December 1). The New Element Berkelium (Atomic Number 97). Physical Review, 80(5), 781–789. https://doi.org/10.1103/physrev.80.781
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