Platinum Element Properties

A complete reference card for Platinum (Pt, element 78) covering atomic data, physical properties, electron configuration, and industrial uses.

78 Pt Platinum
Atomic Mass
195.084 u
Group / Period
10 / 6
Block
d-block
Category
Trans. Metal
Select a tab to explore properties

Overview — Platinum (Pt)

Element Name Platinum
Symbol Pt
Atomic Number 78
Atomic Mass 195.084 u
Element Category Transition Metal (Platinum Group)
Group / Period / Block 10 / 6 / d
Discovered 1735 — Antonio de Ulloa (isolated)
Named After Spanish "platina" (little silver)
Appearance Silvery-white, dense, lustrous metal
Standard State (25°C) Solid
Crustal Abundance ~0.005 ppm (very rare)
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Summary

A complete reference card for Platinum (Pt, element 78) covering atomic data, physical properties, electron configuration, and industrial uses.

How it works

  1. Select a property category from the navigation tabs (Overview, Atomic, Physical, Electronic).
  2. Each tab displays a structured table of values with units and additional context.
  3. Use the Electron Configuration visualizer to see how electrons are distributed across shells.
  4. Compare oxidation states in the interactive oxidation state panel.
  5. Click "Copy All Data" to copy the full property set to your clipboard as plain text.

Use cases

  • Quick reference for chemistry students and educators studying the platinum group metals.
  • Engineering research involving catalytic converter materials and emission control.
  • Jewelry industry valuation, alloy specification, and hallmarking reference.
  • Fuel cell design — platinum is the benchmark electrocatalyst for hydrogen oxidation.
  • Laboratory equipment selection: Pt crucibles, electrodes, and resistance thermometers.
  • Academic assignments requiring verified, peer-reviewed elemental data.
  • Investment research on precious metals and PGM commodity markets.
  • Industrial catalyst selection for petroleum refining and chemical synthesis.

Frequently Asked Questions

Last updated: 2026-06-18 · Reviewed by Nham Vu