Arsenic (As)
Element number 33, from the metalloids family.
Arsenic facts
- Symbol
- As
- Atomic number
- 33
- Atomic mass
- 74.922
- Family
- Metalloids
- Period
- 4
- Group
- 15
What does arsenic react with?
Arsenic makes a new substance with 19 other elements and chemicals in our lab:
- Arsenic + OxygenArsenic trioxide 4As + 3O₂ → 2As₂O₃ · When heated · Try it
- Arsenic + FluorineArsenic pentafluoride 2As + 5F₂ → 2AsF₅ · At room temperature · Try it
- Arsenic + SodiumSodium arsenide 3Na + As → Na₃As · When heated · Try it
- Arsenic + MagnesiumMagnesium arsenide 3Mg + 2As → Mg₃As₂ · When heated · Try it
- Arsenic + AluminiumAluminium arsenide Al + As → AlAs · When heated · Try it
- Arsenic + SulfurArsenic trisulfide (orpiment) 2As + 3S → As₂S₃ · When heated · Try it
- Arsenic + ChlorineArsenic trichloride 2As + 3Cl₂ → 2AsCl₃ · At room temperature · Try it
- Arsenic + IronIron arsenide Fe + As → FeAs · When heated · Try it
- Arsenic + NickelNickel arsenide (nickeline) Ni + As → NiAs · When heated · Try it
- Arsenic + CopperCopper arsenide 3Cu + As → Cu₃As · When heated · Try it
- Arsenic + ZincZinc arsenide 3Zn + 2As → Zn₃As₂ · When heated · Try it
- Arsenic + GalliumGallium arsenide Ga + As → GaAs · When heated · Try it
- Arsenic + SeleniumArsenic triselenide 2As + 3Se → As₂Se₃ · When heated · Try it
- Arsenic + BromineArsenic tribromide 2As + 3Br₂ → 2AsBr₃ · When heated · Try it
- Arsenic + CadmiumCadmium arsenide 3Cd + 2As → Cd₃As₂ · When heated · Try it
- Arsenic + IndiumIndium arsenide In + As → InAs · When heated · Try it
- Arsenic + TelluriumArsenic telluride 2As + 3Te → As₂Te₃ · When heated · Try it
- Arsenic + IodineArsenic triiodide 2As + 3I₂ → 2AsI₃ · When heated · Try it
- Arsenic + PlatinumPlatinum arsenide (sperrylite) Pt + 2As → PtAs₂ · When heated · Try it
It also blends into a mixture, like an alloy, with 1 other metal when melted together.
Nothing happens when it's simply mixed with 78 of the others. 21 pairings have never been tried, because not enough atoms have ever existed.