Essential Properties & Characteristics
History & Etymology
Occurrence & Abundance
Practical Applications & Biological Role
100

Atomic Number

51

100

When was Element 51 discovered

1675

100

What is the most important Antimony mineral

Stibnite

100

Is Antimony and its compounds toxic

True

200

Atomic Symbol

Sb

200

Who discovered Element 51

Andreas Libavius

200

Where does half of the world's Antimony come from

China

200

What are industrial uses for Antimony

Casting, type metal, and strengthening other metals (particularly lead)

300

Atomic Weight

121.76

300

How was Element 51 discovered

Reduction of Sulfide from Iron

300

How is Antimony found in nature

Small deposits of metal with most Antimony occuring in the form of more than a hundred different minerals

300

Why were Antimony compounds banned from use in medicine

Antimony and several of its compounds are highly toxic

400

Electronegativity

2.05

400

Where does the name "Antimony" come from

The medieval Latin name Antimonium

400

How rare is Antimony

One fifth as abundant as arsenic

400

What is the maximum tolerable concentration of Antimony dust in the air

0.5 milligrams per cubic meter

500

Form at Room Temperature

Solid

500

Who wrote a textbook on methods of preperation of Antimony

Nicolas Lémery

500

Where is Antimony found

Algeria, Bolivia, China, Mexico, Peru, South Africa, and parts of the Balkan Peninsula

500

Currently used in medicine as an expectorant, diaphoretic, and emetic

Tartar Emetic