Basic Information
Allotropes
Uses
Interesting Facts
Miscellaneous
100
Number of protons
33
100
Number of allotropes
3
100
Arsenic is used for its toxicity
Rat poison and insecticide
100
Contains high levels of arsenic
Prawns
100
Discovered arsenic
Albertus Magnus
200
Number of neutrons
42
200
Most common arsenic allotrope
gray
200
Works as a doping agent with this
Semiconductors
200
Mined by these early civilizations
Chinese, Greek, and Egyptian
200
The year arsenic was discovered
1250
300
Atomic symbol
As
300
Most toxic allotrope of arsenic
yellow
300
Used in
300
There are low levels of arsenic in this
Rice
300
Period number and group number
period number - 4, group number - 15
400
Number of valence electrons
5
400
Types of allotropes of arsenic
What is gray, yellow, and black
400
Used to makes special glass and to preserve wood
Arsenic compounds
400
Was known as this from the time of the Roman Empire to the Victorian era
"King of poisons" or "poison of kings"
400
Number of energy levels
4
500
Crystal structure
Rhombohedral
500
Rare allotrope of arsenic
Yellow
500
Used in:
pyrotechnics, bronzing, and hardening shot
500
The molecule that arsenic blocks and competes with the formation of
ATP
500
Electron configuration
3d10 4s2 4p3
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