Platinum (Pt): Properties, Uses and Facts in 3D

Platinum is element 78 on the periodic table, a transition metal. At room temperature it is a solid. Open it in the 3D Periodic Table to spin its tile, see its electron shells and read its story.

Platinum (Pt) shown in the VisionVix 3D Periodic TableExplore in 3D
Platinum in the VisionVix 3D Periodic Table. Click the picture to open it live.

Platinum quick facts

Atomic number78
SymbolPt
Atomic mass195.084
CategoryTransition Metal
Group and periodGroup 10, period 6
Blockd-block
State at room temperatureSolid
Electron configuration[Xe] 4f¹⁴ 5d⁹ 6s¹
Electrons per shell2, 8, 18, 32, 17, 1
Discovered1748, Ulloa

What is platinum used for?

  • Catalytic converters in petrol vehicles
  • Chemotherapy (cisplatin, carboplatin)
  • Fine jewellery & investment bars

Interesting facts about platinum

  • The original International Prototype Kilogram is made from platinum-iridium alloy
  • Cisplatin (a platinum compound) has treated millions of cancer patients since the 1970s
  • All the platinum ever mined would form a cube about 7 to 8 metres on each side

Platinum was discovered in 1748 by Ulloa in Spain.

Where platinum sits on the periodic table

Platinum is in group 10, period 6. Tap any element to open its page.

Previous element77. IridiumNext element79. Gold

Other transition metals

Platinum questions

What is the atomic number of platinum?

Platinum has atomic number 78, so every platinum atom has 78 protons in its nucleus. Its symbol is Pt and its atomic mass is 195.084.

Is platinum a metal?

Platinum is a metal. On the periodic table it is grouped as a transition metal, found in group 10, period 6.

What is the electron configuration of platinum?

The electron configuration of platinum is [Xe] 4f¹⁴ 5d⁹ 6s¹. Its electrons sit in 6 shells: 2, 8, 18, 32, 17, 1.

What is platinum used for?

Platinum is used for catalytic converters in petrol vehicles, chemotherapy (cisplatin, carboplatin) and fine jewellery & investment bars.

Who discovered platinum?

Platinum was discovered in 1748 by Ulloa in Spain.

The 3D Periodic Table is made by Julian Neagu, a solo founder in London, as part of VisionVix Simulators. It is free to use in the browser on desktop and phone, with no sign-up.