Page 152 - The Periodic Table Book

82
Pb Lead

State: Solid
82 82 126 Discovery: Ancient

The Carbon Group Brown crocoite This soft, crumbly mineral Galena This mineral has a
Forms
bright, silvery shine.
is made of lead chromate.

The prism-like crystals
of this mineral contain
a lead-sulfur compound.

Anglesite

Uses

This crystal glass sparkles more For many
than regular glass because
it contains lead oxide. Lead crystal glass mug years, lead and
tin were thought to
be different forms
Lead pipe
of the same
metal.

Rust-resistant pipe

The chemical symbol for lead, Pb, crocoite, anglesite, and galena – the main
comes from the Latin word plumbum. source of pure lead. Lead was used far
This is where the word “plumber” comes from: more commonly in the past as an important
in ancient Roman times, water pipes used in ingredient in paints, hair-dyes, and insecticides.
plumbing were made from this soft metal. A common historical use was in glassware.
150 Lead compounds are found in the minerals It has limited applications today. Lead can

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