Pb

Lead

Atomic Number 82 · Metal ingot

A dense, soft metal known since ancient Rome. Excellent radiation shielding. Now known to be toxic, especially to children.

Atomic Mass

207.2 u

Category

Post-Transition Metal

Phase (STP)

Solid

Density

11.342 g/cm³

Melting Point

327.46 °C

Boiling Point

1749 °C

Electronegativity

1.87 (Pauling)

Atomic Radius

180 pm

Electron Configuration

[Xe] 4f14 5d10 6s2 6p2

Discovered

Ancient — Known since antiquity

Find Lead Samples

Sample form: Metal ingot

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