Periodic Table -> Arsenic

Arsenic

Arsenic Details

Arsenic Symbol: As

Arsenic Atomic Number: 33

Arsenic Atomic Weight: 74.922

What is Arsenic?
Metalloid element of group 15. There are three allotropes, yellow, black, and grey. Reacts with halogens, concentrated oxidizing acids and hot alkalis. Albertus Magnus is believed to have been the first to isolate the element in 1250.

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Periodic Table