Arsenik

Arsenik (As)

chemical element with symbol As and atomic number 33
Atomic Number33
Atomic Weight74.921595
Hejmara baristeyî75
Group15
Period4
Blockp
Proton33 p+
Notron42 n0
Kareva33 e-
Animated Bohr model of As (Arsenik)

Physical Property

Atomic Radius
115 pm
molar volume
Covalent Radius
121 pm
Metallic Radius
121 pm
ionic radius
58 pm
Crystal Radius
72 pm
Van der Waals radius
185 pm
density
5,75 g/cm³
Atomic Radii Of The Elements: Arsenik0102030405060708090100110120130140150160170180190pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

wize
proton affinity
electron affinity
ionization energy
ionization energy of As (Arsenik)
enthalpy of vaporization
32,4 kJ/mol
enthalpy of fusion
standard enthalpy of formation
302,5 kJ/mol
Kareva
electron shell2, 8, 18, 5
Bohr model: As (Arsenik)
valence electron5
Lewis structure: As (Arsenik)
electron configuration[Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Enhanced Bohr model of As (Arsenik)
Orbital Diagram of As (Arsenik)
oxidation number-3, -2, -1, 0, 1, 2, 3, 4, 5
electronegativity
2.18
Electrophilicity Index
1,5610969532554257 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
889,15 K
Melting Point
1.090,15 K
critical pressure
22,3 MPa
critical temperature
1.673,15 K
triple point
1.090,15 K
3.700 kPa
appearance
color
Silver
appearancemetallic grey
refractive index
1,001552
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
24,64 J/(mol K)
Specific Heat Capacity
0,329 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
3,3 MS/m
electrical resistivity
0,0000003 m Ω
superconductivity
magnetism
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000039 m³/Kg
magnetic susceptibility (Molar)
-0,000000000292 m³/mol
magnetic susceptibility (Volume)
-0,0000223
magnetic ordering
Germahiya Curie
Néel temperature
pêkhate
Crystal StructureSimple Trigonal (RHL)
lattice constant
4,13 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
3,5 MPa
bulk modulus
22 GPa
shear modulus
Young's modulus
8 GPa
Poisson's ratio
Leza dengê
classification
CategoryMetalloids, Metalloids
CAS GroupVB
IUPAC GroupVA
Glawe Number90
Mendeleev Number95
Pettifor Number89
Geochemical Classsemi-volatile
Goldschmidt classificationchalcophile

other

Gas Basicity
polarizability
30 ± 1 a₀
C6 Dispersion Coefficient
246 a₀
allotropeYellow Arsenic, Black Arsenic, Gray Arsenic
Neutron cross section
4,2
Neutron Mass Absorption
0,002
quantum number4S3/2
space group166 (R_3m)

Isotopes of Arsenic

Stable Isotopes1
Unstable Isotopes32
Natural Isotopes1

60As

Hejmara baristeyî60
neutron number27
Giraniya atomê
59,993945 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity+

decay modeintensity
p (proton emission)

61As

Hejmara baristeyî61
neutron number28
Giraniya atomê
60,981535 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
p (proton emission)

62As

Hejmara baristeyî62
neutron number29
Giraniya atomê
61,973784 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity+

decay modeintensity
p (proton emission)

63As

Hejmara baristeyî63
neutron number30
Giraniya atomê
62,964036 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê
parity-

decay modeintensity
p (proton emission)

64As

Hejmara baristeyî64
neutron number31
Giraniya atomê
63,95756 ± 0,000218 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
69 ± 1,4 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1995
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)

65As

Hejmara baristeyî65
neutron number32
Giraniya atomê
64,949611 ± 0,000091 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
130,3 ± 0,6 ms
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1991
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)

66As

Hejmara baristeyî66
neutron number33
Giraniya atomê
65,944148778 ± 0,0000061 Da
g-factor
0
natural abundance
radioactivity☢️ radioactive element
half-life
95,77 ± 0,23 ms
spin0
nuclear quadrupole moment
0
dema îcadkirinê yan keşfê1978
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

67As

Hejmara baristeyî67
neutron number34
Giraniya atomê
66,93925111 ± 0,000000475 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
42,5 ± 1,2 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1980
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

68As

Hejmara baristeyî68
neutron number35
Giraniya atomê
67,936774127 ± 0,000001981 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
151,6 ± 0,8 s
spin3
nuclear quadrupole moment
dema îcadkirinê yan keşfê1971
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

69As

Hejmara baristeyî69
neutron number36
Giraniya atomê
68,932246289 ± 0,000034352 Da
g-factor
0,6488 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
15,2 ± 0,2 m
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1955
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

70As

Hejmara baristeyî70
neutron number37
Giraniya atomê
69,930934642 ± 0,0000015 Da
g-factor
0,5276 ± 0,000125
natural abundance
radioactivity☢️ radioactive element
half-life
52,6 ± 0,3 m
spin4
nuclear quadrupole moment
0,09 ± 0,02
dema îcadkirinê yan keşfê1950
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

71As

Hejmara baristeyî71
neutron number38
Giraniya atomê
70,927113594 ± 0,000004469 Da
g-factor
0,6692 ± 0,0008
natural abundance
radioactivity☢️ radioactive element
half-life
65,3 ± 0,07 h
spin5/2
nuclear quadrupole moment
-0,021 ± 0,006
dema îcadkirinê yan keşfê1939
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

72As

Hejmara baristeyî72
neutron number39
Giraniya atomê
71,926752291 ± 0,000004383 Da
g-factor
-1,0805 ± 0,0003
natural abundance
radioactivity☢️ radioactive element
half-life
26 ± 0,1 h
spin2
nuclear quadrupole moment
-0,08 ± 0,02
dema îcadkirinê yan keşfê1939
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%

73As

Hejmara baristeyî73
neutron number40
Giraniya atomê
72,923829086 ± 0,000004136 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
80,3 ± 0,06 d
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1948
parity-

decay modeintensity
ϵ (electron capture)100%

74As

Hejmara baristeyî74
neutron number41
Giraniya atomê
73,923928596 ± 0,000001817 Da
g-factor
-0,798 ± 0,0015
natural abundance
radioactivity☢️ radioactive element
half-life
17,77 ± 0,02 d
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1938
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)66%
β (β decay)34%

75As

Hejmara baristeyî75
neutron number42
Giraniya atomê
74,921594562 ± 0,000000948 Da
g-factor
natural abundance
100
radioactivitystable isotope
half-lifeNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,311 ± 0,002
dema îcadkirinê yan keşfê1920
parity-

76As

Hejmara baristeyî76
neutron number43
Giraniya atomê
75,922392011 ± 0,000000951 Da
g-factor
0,45115 ± 0,0005
natural abundance
radioactivity☢️ radioactive element
half-life
1,0933 ± 0,0038 d
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1934
parity-

decay modeintensity
β (β decay)100%

77As

Hejmara baristeyî77
neutron number44
Giraniya atomê
76,920647555 ± 0,000001816 Da
g-factor
0,86266666666667 ± 0,00086666666666667
natural abundance
radioactivity☢️ radioactive element
half-life
38,79 ± 0,05 h
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1951
parity-

decay modeintensity
β (β decay)100%

78As

Hejmara baristeyî78
neutron number45
Giraniya atomê
77,921827771 ± 0,000010498 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
90,7 ± 0,2 m
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1937
parity-

decay modeintensity
β (β decay)100%

79As

Hejmara baristeyî79
neutron number46
Giraniya atomê
78,920948419 ± 0,000005716 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
9,01 ± 0,15 m
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1950
parity-

decay modeintensity
β (β decay)100%

80As

Hejmara baristeyî80
neutron number47
Giraniya atomê
79,92247444 ± 0,000003578 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
15,2 ± 0,2 s
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1954
parity+

decay modeintensity
β (β decay)100%

81As

Hejmara baristeyî81
neutron number48
Giraniya atomê
80,922132288 ± 0,000002838 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
33,3 ± 0,8 s
spin3/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1960
parity-

decay modeintensity
β (β decay)100%

82As

Hejmara baristeyî82
neutron number49
Giraniya atomê
81,924738731 ± 0,000004003 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
19,1 ± 0,5 s
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1968
parity-

decay modeintensity
β (β decay)100%

83As

Hejmara baristeyî83
neutron number50
Giraniya atomê
82,9252069 ± 0,000003004 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
13,4 ± 0,4 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1968
parity-

decay modeintensity
β (β decay)100%

84As

Hejmara baristeyî84
neutron number51
Giraniya atomê
83,92930329 ± 0,000003403 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
3,16 ± 0,58 s
spin2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1968
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.28%

85As

Hejmara baristeyî85
neutron number52
Giraniya atomê
84,932163658 ± 0,000003304 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
2,022 ± 0,007 s
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1967
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)62.6%

86As

Hejmara baristeyî86
neutron number53
Giraniya atomê
85,936701532 ± 0,000003703 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
945 ± 8 ms
spin1
nuclear quadrupole moment
dema îcadkirinê yan keşfê1973
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)35.5%
2n (2-neutron emission)

87As

Hejmara baristeyî87
neutron number54
Giraniya atomê
86,940291716 ± 0,000003204 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
492 ± 25 ms
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1970
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)15.4%
2n (2-neutron emission)

88As

Hejmara baristeyî88
neutron number55
Giraniya atomê
87,94584 ± 0,000215 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
270 ± 150 ms
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)

89As

Hejmara baristeyî89
neutron number56
Giraniya atomê
88,950048 ± 0,000322 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1994
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

90As

Hejmara baristeyî90
neutron number57
Giraniya atomê
89,955995 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

91As

Hejmara baristeyî91
neutron number58
Giraniya atomê
90,960816 ± 0,000429 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin5/2
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity-

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

92As

Hejmara baristeyî92
neutron number59
Giraniya atomê
91,967386 ± 0,000537 Da
g-factor
natural abundance
radioactivity☢️ radioactive element
half-life
spin
nuclear quadrupole moment
dema îcadkirinê yan keşfê1997
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Arsen 1

dîrok

kaşîf an îcadkerKnown to the ancients.
location of discovery
dema îcadkirinê yan keşfê
BêjenasîGreek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
pronunciationAR-s'n-ik (îngilîzî)

source

Abundance
Abundance in Earth's crust
1,8 mg/kg
natural abundance (Okyanûs)
0,0037 mg/L
natural abundance (human body)
0,000005 %
natural abundance (meteoroid)
0,00018 %
natural abundance (Roj)
Abundance in Universe
0,0000008 %

Nuclear Screening Constants

1s0.7217
2p3.9264
2s8.873
3d15.6216
3p15.1503
3s14.4045
4p25.5508
4s24.056