Arsen

Arsen (As)

chemical element with symbol As and atomic number 33
Atomski broj33
Relativna atomska masa74.921595
Maseni broj75
Skupina15
Perioda4
Blokp
proton33 p+
neutron42 n0
elektron33 e-
Animated Bohrov model atoma of As (Arsen)

Physical Property

Atomski Radijus
115 pm
Molni volumen
Kovalentni Radijus
121 pm
Metallic Radius
121 pm
Ionski radijus
58 pm
Crystal Radius
72 pm
Van der Waals radius
185 pm
gustoća
5,75 g/cm³
Atomic Radii Of The Elements: Arsen0102030405060708090100110120130140150160170180190pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
ionization energy
ionization energy of As (Arsen)
Toplina isparivanja
32,4 kJ/mol
toplina taljenja
standard enthalpy of formation
302,5 kJ/mol
elektron
Elektronska ljuska2, 8, 18, 5
Bohrov model atoma: As (Arsen)
valence electron5
Lewis structure: As (Arsen)
electron configuration[Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Enhanced Bohrov model atoma of As (Arsen)
Orbital Diagram of As (Arsen)
Oksidacijski broj-3, -2, -1, 0, 1, 2, 3, 4, 5
Elektronegativnost
2.18
Electrophilicity Index
1,5610969532554257 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
889,15 K
Talište
1.090,15 K
critical pressure
22,3 MPa
critical temperature
1.673,15 K
Trojna točka
1.090,15 K
3.700 kPa
appearance
boja
Srebrna
appearancemetallic grey
Indeks prelamanja
1,001552
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
molar heat capacity
24,64 J/(mol K)
Specifični toplinski kapacitet
0,329 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
3,3 MS/m
Električna otpornost i provodnost
0,0000003 m Ω
Supravodljivost
Magnetizam
typediamagnetic
Magnetna susceptibilnost (Mass)
−0,0000000039 m³/Kg
Magnetna susceptibilnost (Molar)
−0,000000000292 m³/mol
Magnetna susceptibilnost (Volume)
−0,0000223
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna strukturaJednostavna Trigonska (RHL)
lattice constant
4,13 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
Tvrdoća
3,5 MPa
bulk modulus
22 GPa
shear modulus
Youngov modul elastičnosti
8 GPa
Poissonov omjer
brzina zvuka
classification
KategorijaPolumetali, 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
Nuklearni udarni presjek
4,2
Neutron Mass Absorption
0,002
Kvantni brojevi4S3/2
space group166 (R_3m)

Isotopes of Arsenic

Stabilni izotopi1
Nestabilni izotopi32
Natural Isotopes1

60As

Maseni broj60
neutron number27
Relativna atomska masa
59,993945 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost+

decay modeintensity
p (proton emission)

61As

Maseni broj61
neutron number28
Relativna atomska masa
60,981535 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
p (proton emission)

62As

Maseni broj62
neutron number29
Relativna atomska masa
61,973784 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost+

decay modeintensity
p (proton emission)

63As

Maseni broj63
neutron number30
Relativna atomska masa
62,964036 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost-

decay modeintensity
p (proton emission)

64As

Maseni broj64
neutron number31
Relativna atomska masa
63,95756 ± 0,000218 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
69 ± 1,4 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1995
Parnost+

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

65As

Maseni broj65
neutron number32
Relativna atomska masa
64,949611 ± 0,000091 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
130,3 ± 0,6 ms
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1991
Parnost-

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

66As

Maseni broj66
neutron number33
Relativna atomska masa
65,944148778 ± 0,0000061 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
95,77 ± 0,23 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1978
Parnost+

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

67As

Maseni broj67
neutron number34
Relativna atomska masa
66,93925111 ± 0,000000475 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
42,5 ± 1,2 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1980
Parnost-

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

68As

Maseni broj68
neutron number35
Relativna atomska masa
67,936774127 ± 0,000001981 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
151,6 ± 0,8 s
spin3
nuclear quadrupole moment
vrijeme otkrića ili izuma1971
Parnost+

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

69As

Maseni broj69
neutron number36
Relativna atomska masa
68,932246289 ± 0,000034352 Da
g-factor
0,6488 ± 0,0008
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
15,2 ± 0,2 m
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1955
Parnost-

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

70As

Maseni broj70
neutron number37
Relativna atomska masa
69,930934642 ± 0,0000015 Da
g-factor
0,5276 ± 0,000125
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
52,6 ± 0,3 m
spin4
nuclear quadrupole moment
0,09 ± 0,02
vrijeme otkrića ili izuma1950
Parnost+

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

71As

Maseni broj71
neutron number38
Relativna atomska masa
70,927113594 ± 0,000004469 Da
g-factor
0,6692 ± 0,0008
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
65,3 ± 0,07 h
spin5/2
nuclear quadrupole moment
−0,021 ± 0,006
vrijeme otkrića ili izuma1939
Parnost-

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

72As

Maseni broj72
neutron number39
Relativna atomska masa
71,926752291 ± 0,000004383 Da
g-factor
−1,0805 ± 0,0003
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
26 ± 0,1 h
spin2
nuclear quadrupole moment
−0,08 ± 0,02
vrijeme otkrića ili izuma1939
Parnost-

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

73As

Maseni broj73
neutron number40
Relativna atomska masa
72,923829086 ± 0,000004136 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
80,3 ± 0,06 d
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1948
Parnost-

decay modeintensity
ϵ (electron capture)100%

74As

Maseni broj74
neutron number41
Relativna atomska masa
73,923928596 ± 0,000001817 Da
g-factor
−0,798 ± 0,0015
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
17,77 ± 0,02 d
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1938
Parnost-

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

75As

Maseni broj75
neutron number42
Relativna atomska masa
74,921594562 ± 0,000000948 Da
g-factor
natural abundance
100
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,311 ± 0,002
vrijeme otkrića ili izuma1920
Parnost-

76As

Maseni broj76
neutron number43
Relativna atomska masa
75,922392011 ± 0,000000951 Da
g-factor
0,45115 ± 0,0005
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,0933 ± 0,0038 d
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1934
Parnost-

decay modeintensity
β (β decay)100%

77As

Maseni broj77
neutron number44
Relativna atomska masa
76,920647555 ± 0,000001816 Da
g-factor
0,86266666666667 ± 0,00086666666666667
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
38,79 ± 0,05 h
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1951
Parnost-

decay modeintensity
β (β decay)100%

78As

Maseni broj78
neutron number45
Relativna atomska masa
77,921827771 ± 0,000010498 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
90,7 ± 0,2 m
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1937
Parnost-

decay modeintensity
β (β decay)100%

79As

Maseni broj79
neutron number46
Relativna atomska masa
78,920948419 ± 0,000005716 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,01 ± 0,15 m
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1950
Parnost-

decay modeintensity
β (β decay)100%

80As

Maseni broj80
neutron number47
Relativna atomska masa
79,92247444 ± 0,000003578 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
15,2 ± 0,2 s
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1954
Parnost+

decay modeintensity
β (β decay)100%

81As

Maseni broj81
neutron number48
Relativna atomska masa
80,922132288 ± 0,000002838 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
33,3 ± 0,8 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1960
Parnost-

decay modeintensity
β (β decay)100%

82As

Maseni broj82
neutron number49
Relativna atomska masa
81,924738731 ± 0,000004003 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,1 ± 0,5 s
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

decay modeintensity
β (β decay)100%

83As

Maseni broj83
neutron number50
Relativna atomska masa
82,9252069 ± 0,000003004 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,4 ± 0,4 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

decay modeintensity
β (β decay)100%

84As

Maseni broj84
neutron number51
Relativna atomska masa
83,92930329 ± 0,000003403 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,16 ± 0,58 s
spin2
nuclear quadrupole moment
vrijeme otkrića ili izuma1968
Parnost-

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

85As

Maseni broj85
neutron number52
Relativna atomska masa
84,932163658 ± 0,000003304 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,022 ± 0,007 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1967
Parnost-

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

86As

Maseni broj86
neutron number53
Relativna atomska masa
85,936701532 ± 0,000003703 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
945 ± 8 ms
spin1
nuclear quadrupole moment
vrijeme otkrića ili izuma1973
Parnost-

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

87As

Maseni broj87
neutron number54
Relativna atomska masa
86,940291716 ± 0,000003204 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
492 ± 25 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1970
Parnost-

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

88As

Maseni broj88
neutron number55
Relativna atomska masa
87,94584 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
270 ± 150 ms
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma1994
Parnost

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

89As

Maseni broj89
neutron number56
Relativna atomska masa
88,950048 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1994
Parnost-

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

90As

Maseni broj90
neutron number57
Relativna atomska masa
89,955995 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma1997
Parnost

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

91As

Maseni broj91
neutron number58
Relativna atomska masa
90,960816 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1997
Parnost-

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

92As

Maseni broj92
neutron number59
Relativna atomska masa
91,967386 ± 0,000537 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
vrijeme otkrića ili izuma1997
Parnost

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

povijest

otkrio/izumioKnown to the ancients.
location of discovery
vrijeme otkrića ili izuma
EtimologijaGreek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
pronunciationAR-s'n-ik (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
1,8 mg/kg
natural abundance (ocean)
0,0037 mg/L
natural abundance (tijelo)
0,000005 %
natural abundance (meteoroid)
0,00018 %
natural abundance (Sunce)
Zastupljenost u svemiru
0,0000008 %

Nuclear Screening Constants

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