As

Arsenic

Z 33 74.922 g/molMetalloid

Overview Atomic Properties Thermodynamics Electromagnetism Isotopes

Group

15

Period

4

Block

p

Occurrence

Exploding massive starsGeochemical class: Chalcophile

Biological Role

Humans: Toxic

History

815 (discovery)

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1250 (isolation)

Albertus Magnus

Named By

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Latin Name

Arsenicum

Abundance

Solar System

x

Sun

x

Meteorites

x

Earth's crust

x

Oceans

x

Humans

x