Tantalum element (Ta) is in group 5 and period 6 of a periodic table. Tantalum is in the d-block and it is classified as a transition element on the periodic table.
There is a lot more information related to tantalum which is mentioned in the Information Table given below.
So let’s dive right into it!
Table of contents
- Tantalum element (Information Table)
- Tantalum element in Periodic table
- Facts about Tantalum
- Properties of Tantalum
- Uses of Tantalum
Tantalum Element (Information Table)
The important data related to tantalum element is given in the table below.
|Appearance of tantalum||Metallic gray with bluish tint|
|Atomic number of tantalum||73|
|Symbol of tantalum||Ta|
|Atomic mass of tantalum||180.95 u|
|Protons, Neutrons & Electrons in tantalum||Protons: 73, Neutrons: 108, Electrons: 73|
|State of tantalum (at STP)||Solid|
|Group number of tantalum in periodic table||5|
|Period number of tantalum in periodic table||6|
|Block of tantalum in periodic table||d-block|
|Category of tantalum||Transition metal|
|Bohr model or Electrons per shell or Electrons arrangement in tantalum||2, 8, 18, 32, 11, 2|
|Electron configuration of tantalum||[Xe] 4f14 5d3 6s2|
|Orbital diagram of tantalum|
|Electronegativity of tantalum (on pauling scale)||1.5|
|Atomic radius of tantalum (van der Waals radius)||217 picometers|
|Density of tantalum||16.65 g/cm3|
|1st ionization energy of tantalum||7.89 eV|
|Main isotope of tantalum||181Ta|
|Melting point of tantalum||3290 K or 3017 °C or 5463 °F|
|Boiling point of tantalum||5731 K or 5458 °C or 9856 °F|
|Crystal structure of tantalum||Body Centered Cubic (BCC)|
|Discovery of tantalum||By Anders Gustaf Ekeberg in 1801|
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).
Tantalum element in Periodic table
The Tantalum element (Ta) has the atomic number 73 and is located in group 5 and period 6. Tantalum is a metal and it is classified as a transition element.
Click on above elements in the periodic table to see their information.
Facts about tantalum
Here are a few interesting facts about the tantalum element.
- Anders Gustaf Ekeberg discovered tantalum in the year 1802.
- Tantalum was given its name from the Greek mythological character “Tantalos”.
- Earth’s crust contains around 1.7 ppm (by weight) of tantalum.
- Australia produces the largest amount of tantalum than any other region.
- Most of the tantalum is obtained from the ore Columbite and Tantalite.
Properties of tantalum
Here is a list of some physical properties and chemical properties of tantalum.
Physical properties of tantalum
- Tantalum has a gray shiny metallic appearance.
- Tantalum can be drawn into thin wires because of its ductility.
- Tantalum can conduct heat and electricity.
- Tantalum has a BCC crystal structure.
- There are many isotopes of tantalum and out of those isotopes, the most abundant isotope is 181Ta.
- The melting point and boiling point of tantalum is 3290 K and 5731 K respectively.
Chemical properties of tantalum
- Tantalum is basically non reactive to most of the chemicals at room temperature.
- The oxide layer on the tantalum also protects it from further oxidation.
- Tantalum reacts with hydrofluoric acid at room temperature.
Uses of tantalum
Here are some uses of the tantalum element.
- Tantalum is used in capacitors, resistors, and other electrical devices.
- Tantalum oxide is used in manufacturing camera lenses that require a higher refractive index.
- Tantalum has a very high melting point and so it is added to other metals to increase the melting point.
- Tantalum is also used in some parts of missiles and aircrafts.
- P. (n.d.). Titanium | Ti (Element) – PubChem. Titanium | Ti (Element) – PubChem. https://pubchem.ncbi.nlm.nih.gov/element/Titanium
- It’s Elemental – The Element Titanium. (n.d.). It’s Elemental – the Element Titanium. https://education.jlab.org/itselemental/ele022.html
- Titanium – Wikipedia. (2022, January 19). Titanium – Wikipedia. https://en.wikipedia.org/wiki/Titanium
- Titanium – Element information, properties and uses | Periodic Table. (n.d.). Titanium – Element Information, Properties and Uses | Periodic Table. https://www.rsc.org/periodic-table/element/22/titanium
- Titanium. (n.d.). Titanium. https://webbook.nist.gov/cgi/inchi?ID=C7440326&Mask=20
- 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, Y., Evans, J. R. G., & Yang, S. (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
- Possolo, A., van der Veen, A. M. H., Meija, J., & Hibbert, D. B. (2018, January 4). Interpreting and propagating the uncertainty of the standard atomic weights (IUPAC Technical Report). Pure and Applied Chemistry, 90(2), 395–424. https://doi.org/10.1515/pac-2016-0402
- Emsley, J. (2011). Nature’s Building Blocks: An A-Z Guide to the Elements. United Kingdom: OUP Oxford.
- Allred, A. (1961, June). Electronegativity values from thermochemical data. Journal of Inorganic and Nuclear Chemistry, 17(3–4), 215–221. https://doi.org/10.1016/0022-1902(61)80142-5
- James A. M. & Lord M. P. (1992). Macmillan’s chemical and physical data. Macmillan.
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