Platinum (Pt) – Periodic Table [Element Information & More]

platinum element periodic table

PLatinum element (Pt) is in group 10 and period 6 of a periodic table. Platinum 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 platinum which is mentioned in the Information Table given below.

So let’s dive right into it!

Table of contents

Platinum Element (Information Table)

The important data related to platinum element is given in the table below.

Appearance of platinumSilvery white appearance
Atomic number of platinum78
Symbol of platinumPt
Atomic mass of platinum195.08 u
Protons, Neutrons & Electrons in platinumProtons: 78, Neutrons: 117, Electrons: 78
State of platinum (at STP)Solid
Group number of platinum in periodic table10
Period number of platinum in periodic table6
Block of platinum in periodic tabled-block
Category of platinumTransition metals
Bohr model or Electrons per shell or Electrons arrangement in platinum2, 8, 18, 32, 17, 1
Electron configuration of platinum[Xe] 4f14 5d9 6s1
Orbital diagram of platinumorbital diagram of platinum
Electronegativity of platinum (on pauling scale)2.28
Atomic radius of platinum (van der Waals radius)209 picometers
Density of platinum21.45 g/cm3
1st ionization energy of platinum9 eV
Main isotopes of platinum195Pt
Melting point of platinum2041 K or 1768 °C or 3214 °F
Boiling point of platinum4098 K or 3825 °C or 6917 °F
Crystal structure of platinumFace Centered Cubic (FCC)
Discovery of platinumBy Antonio de Ulloa in 1735

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).

Platinum element in Periodic table

The Platinum element (Pt) has the atomic number 78 and is located in group 10 and period 6. Platinum 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 platinum

Here are a few interesting facts about the platinum element.

  1. Platinum was given its name from the Spanish word “platina”.
  2. Earth’s crust contains only 5 parts per billion of platinum.
  3. 30% of platinum is used in jewelry and 50% of platinum is used in catalytic converters.
  4. Meteors and moon rocks also contain platinum.
  5. Platinum is largely obtained from South Africa, which makes it the leading producer of platinum.
  6. Platinum is a precious metal and it is also known as “white gold”.

Properties of platinum

Here is a list of some physical properties and chemical properties of platinum.

Physical properties of platinum

  • Platinum has a silvery white appearance.
  • Platinum is a ductile and malleable metal.
  • Platinum has many isotopes and the most abundant isotope is 195Pt.
  • The melting point and boiling point of platinum is 2041 K and 4098 K respectively.
  • Platinum has FCC crystal structure.

Chemical properties of platinum

  • Platinum is a chemically inert metal and it does not show much chemical reactions.
  • Platinum does not react with oxygen even at elevated temperatures.
  • Platinum dissolves in hot aqua regia to form chloroplatinic acid.
  • Platinum has electron configuration [Xe] 4f14 5d9 6s1 and it has incomplete d-orbitals.

Uses of platinum

Here are some uses of the platinum element.

  • Platinum is used in jewelry as it is a precious metal.
  • As platinum is a precious metal, it is also used for investment.
  • Platinum is also used in catalytic converters.
  • The platinum-iridium alloy was used to make the international standard kilogram weight.

External resources:

  1. 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.
  2. Haynes, W. M. (Ed.). (2014, June 4). CRC Handbook of Chemistry and Physics.
  3. Kaye, G W.C., & Laby, T H. Tables of physical and chemical constants. 15th Edition. United States.
  4. 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.
  5. Bondi, A. (1964, March). van der Waals Volumes and Radii. The Journal of Physical Chemistry, 68(3), 441–451.
  6. 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.
  7. 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.
  8. Platinum – Wikipedia. (2012, April 24). Platinum – Wikipedia.
  9. Platinum – Element information, properties and uses | Periodic Table. (n.d.). Platinum – Element Information, Properties and Uses | Periodic Table.
  10. P. (n.d.). Platinum | Pt (Element) – PubChem. Platinum | Pt (Element) – PubChem.
  11. It’s Elemental – The Element Platinum. (n.d.). It’s Elemental – the Element Platinum.
  12. Platinum. (n.d.). Platinum.
  13. Periodic Table of Elements: Los Alamos National Laboratory. (n.d.). Periodic Table of Elements: Los Alamos National Laboratory.
  14. Atomic Weight of Platinum | Commission on Isotopic Abundances and Atomic Weights. (n.d.). Atomic Weight of Platinum | Commission on Isotopic Abundances and Atomic Weights.
  15. Atomic Data for Platinum (Pt). (n.d.). Atomic Data for Platinum (Pt).

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 learning platform that provides students with easily understandable explanations.

Read more about our Editorial process.

Leave a Comment