Platinum (Pt) — Element Properties, Uses & Facts
Overview
Platinum is a chemical element with symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, gray-white transition metal. Its name is derived from the Spanish term platina, which is literally translated into "little silver".
Electron configuration
The electron configuration of Platinum is [Xe] 4f14 5d9 6s1, with electron shells of 2, 8, 18, 32, 17, 1.
Physical and chemical properties
Platinum is classified as a transition metal. It has an atomic mass of 195.085 and exists as a solid at standard conditions, appearing as silvery white.
Real-world uses of Platinum
As a transition metal, Platinum is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
Interesting facts about Platinum
- Platinum has the atomic number 78 and chemical symbol Pt.
- It belongs to period 6, group 10 of the periodic table.
- Platinum was discovered by Antonio de Ulloa.
Explore Platinum interactively
Want to compare Platinum with other elements or see it highlighted on the full table? Open the interactive periodic table and click on Pt to explore properties, trends, and neighboring elements. You can also test your knowledge with our periodic table quiz game.
What is Platinum used for?
As a transition metal, Platinum is typically used in alloys, industrial manufacturing, electronics, or as a catalyst in chemical reactions.
What is the atomic number of Platinum?
The atomic number of Platinum is 78, meaning it has 78 protons in its nucleus.
What is the electron configuration of Platinum?
The electron configuration of Platinum is [Xe] 4f14 5d9 6s1.
Is Platinum a metal, nonmetal, or metalloid?
Platinum is classified as a transition metal.