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
- Select a property category from the navigation tabs (Overview, Atomic, Physical, Electronic).
- Each tab displays a structured table of values with units and additional context.
- Use the Electron Configuration visualizer to see how electrons are distributed across shells.
- Compare oxidation states in the interactive oxidation state panel.
- 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