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physical object > natural object > particle > element > column grouped element > group V element > arsenic |
arsenic (As, 4S3/2 in ground state) | ||||
subject | fact |
arsenic | has symbol As | |
has lethal intake 50 to 300 mg | ||
has main mining area not much mined as such because more than required is produced as a by-product of refining certain sulfide ores | ||
has mineral arsenopyrite, conichalcite, enargite, lollingite, olivenite, orpiment and realgar | ||
has neutron scattering length 0.658 × 10-12 cm | ||
has electron affinity 78 kJ mol-1 from As to As- | ||
has toxic intake 5 to 50 mg | ||
has mass magnetic susceptibility -9.17 × 10-10 kg-1 m3 for α form | ||
has mass magnetic susceptibility -3.97 × 10-9 kg-1 m3 for β form | ||
has electrical resistivity 26 × 10-8 Ω m at 273 K | ||
has van der Waals radii 200 pm | ||
has covalent radii 121 pm | ||
has thermal neutron capture cross section 4.30 barns | ||
has isotope mass range 67 to 87 | ||
has number of isotopes 22 | ||
has pronunciation ahrs-nik | ||
has name origin arsenikon = yellow orpiment from Greek | ||
has discovery location Germany | ||
has abundance see list in Sun relative to H = 1 × 1012 | ||
has abundance 1.5 p.p.m. in Earth's crust | ||
has abundance 1.45 × 10-3 p.p.m. in Atlantic surface seawater | ||
has abundance 1.53 × 10-3 p.p.m. in deep Atlantic seawater | ||
has abundance 1.45 × 10-3 p.p.m. in Pacific surface seawater | ||
has abundance 1.75 × 10-3 p.p.m. in deep Pacific seawater | ||
has specimen available as powder. Danger ! | ||
has world production 47000 tonnes per year for As2O3 | ||
has chief source arsenopyrite, realgar and orpiment | ||
has mass absorption coefficient 83.4 cm2 g-1 for CuKα X-ray diffraction | ||
has mass absorption coefficient 69.7 cm2 g-1 for MoKα X-ray diffraction | ||
has space group R3m for α form | ||
has crystal cell dimension a = 413.18 pm for α form | ||
has crystal cell dimension alpha angle = 54 deg 10' for α form | ||
has crystal cell dimension a = 376.0 pm for β form | ||
has crystal cell dimension c = 10.548 pm for β form | ||
has crystal type rhombohedral for α form | ||
has crystal type hexagonal for β form | ||
has atomic emission line 193.759 nm for As I (Strong, used in atom absorption spectrometry) | ||
has atomic emission line 419.008 nm for As II | ||
has atomic emission line 445.847 nm for As II | ||
has atomic emission line 446.635 nm for As II | ||
has atomic emission line 449.423 nm for As II | ||
has atomic emission line 450.766 nm for As II | ||
has atomic emission line 454.348 nm for As II | ||
has term symbol 4S3/2 in ground state | ||
has electron configuration [Ar]3d104s24p3 in ground state | ||
has mass of element in person 0.5 to 15 mg for a 70 kg average person depending on diet | ||
has daily dietary intake 0.04 to 1.4 mg | ||
has level in humans 0.0017 to 0.09 mg dm-3 in blood | ||
has level in humans 0.08 to 1.6 p.p.m. in bone | ||
has level in humans 0.023 to 1.61 p.p.m. in liver | ||
has level in humans 0.009 to 0.65 p.p.m. in muscle | ||
has hazard salts and arsine gases are very poisonous. Stimulates metabolism in small doses, but it is carcinogenic and possibly teratogenic | ||
has biological role essential to some species including humans | ||
has linear expansion coefficient 4.6 × 10-6 K-1 | ||
has thermal conductivity 50.0 W m-1 K-1 at 300 K for α form | ||
has molar volume 12.95 cm3 for α form | ||
has molar volume 15.9 cm3 for β form | ||
has heat capacity 24.64 J K-1 mol-1 for solid at constant pressure of 0.1 MPa at 298.15 K | ||
has heat capacity 20.786 J K-1 mol-1 for gas at constant pressure of 0.1 MPa at 298.15 K | ||
has heat of vaporization 31.9 kJ mol-1 | ||
has heat of fusion 27.7 kJ mol-1 | ||
has boiling point 889 K sublimes | ||
has melting point 1090 K for α form under pressure | ||
has electronegativity 2.18 Pauling | ||
has relative atomic mass 74.92159 in units of 12C = 12.000 | ||
has ionic radii 46 pm for As5+ | ||
has ionic radii 69 pm for As3+ | ||
has atomic radii 125 pm | ||
has number of protons 33 | ||
has registry number 7440-38-2 for Chemical Abstracts System database | ||
has density 5780 kg m-3 for solid at 293 K (α form) | ||
has density 4700 kg m-3 for solid at 293 K (β form) | ||
has ocean oxidation state V | ||
has ocean residence time 90000 years | ||
has atomic number 33 | ||
reacts with hot acids and molten NaOH, tarnishes burns in oxygen | ||
has hardness brittle for α form | ||
has discovery date 1250 | ||
has discoverer Albertus Magnus | ||
has uses alloys, semiconductors, pesticides, wood preservatives and glass | ||
has image | ||
has appearance metallic for α form | ||
has definition a metalloid element with two main forms, grey α arsenic and β arsenic | ||
is a kind of nonmetallic metalloid | ||
is a kind of group V element | ||
is a kind of recycled oceanic element | ||
recycled oceanic element | has ocean concentration increasing with depth | |
group V element | has group 15 | |
has synonym pnictogen | ||
oceanic element | has occurrence ocean | |
element | is a part of Universe | |
particle | obeys uncertainty principle | |
has frequency inversely proportional to the wavelength | ||
has wavelength inversely proportional to its momentum | ||
has charge | ||
has mass | ||
physical object | has location or center of gravity | |
has angular momentum | ||
has velocity | ||
has momentum | ||
has temperature | ||
has volume | ||
has extent | ||
has material |
Kinds of arsenic :
Next group V element: bismuth Up: group V element, nonmetallic metalloid, recycled oceanic element Previous group V element: antimony