Pt

Platinum

Atomic Number 78 · Metal coin/bar

A precious metal prized for jewelry and industry. Critical in catalytic converters, chemotherapy drugs, and fuel cells.

Atomic Mass

195.08 u

Category

Transition Metal

Phase (STP)

Solid

Density

21.46 g/cm³

Melting Point

1768.3 °C

Boiling Point

3825 °C

Electronegativity

2.28 (Pauling)

Atomic Radius

135 pm

Electron Configuration

[Xe] 4f14 5d9 6s1

Discovered

1735 — Antonio de Ulloa

Find Platinum Samples

Sample form: Metal coin/bar

Luciteria Science

Premium element samples in acrylic cubes

Engineered Labs

Element collections and periodic table displays

Various element samples and collections

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