Arsenik, ²Arsen

Arsenik, ²Arsen (As)

chemical element with symbol As and atomic number 33
Atomic Number33
Atomic Weight74.921595
Nombor jisim75
Group15
Period4
Blockp
proton33 p+
neutron42 n0
Elektron33 e-
Animated Model Bohr of As (Arsenik, ²Arsen)

Sifat Fizikal

Jejari Atom
115 pm
molar volume
Jejari kovalen
121 pm
Metallic Radius
121 pm
ionic radius
58 pm
Crystal Radius
72 pm
Jejari van der Waals
185 pm
ketumpatan
5.75 g/cm³
Atomic Radii Of The Elements: Arsenik, ²Arsen0102030405060708090100110120130140150160170180190pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
ionization energy of As (Arsenik, ²Arsen)
Entalpi pengewapan
32.4 kJ/mol
entalpi pelakuran
standard enthalpy of formation
302.5 kJ/mol
Elektron
Petala elektron2, 8, 18, 5
Model Bohr: As (Arsenik, ²Arsen)
Elektron valens5
Teori ion Lewis: As (Arsenik, ²Arsen)
tatarajah elektron[Ar] 3d10 4s2 4p3
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Enhanced Model Bohr of As (Arsenik, ²Arsen)
Orbital Diagram of As (Arsenik, ²Arsen)
Keadaan pengoksidaan-3, -2, -1, 0, 1, 2, 3, 4, 5
Keelektronegatifan
2.18
Electrophilicity Index
1.5610969532554257 eV/particle
keadaan jirim asas
fasa jirimSolid
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
rupa
warna
Silver
rupametallic grey
indeks biasan
1.001552
sifat bahan
Thermal Conductivity
Pengembangan terma
molar heat capacity
24.64 J/(mol K)
Specific Heat Capacity
0.329 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Kekonduksian elektrik
3.3 MS/m
Kerintangan dan kekonduksian elektrik
0.0000003 m Ω
Kesuperkonduksian
kemagnetan
typediamagnetic
magnetic susceptibility (Mass)
-0.0000000039 m³/Kg
magnetic susceptibility (Molar)
-0.000000000292 m³/mol
magnetic susceptibility (Volume)
-0.0000223
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal StructureSimple Trigonal (RHL)
lattice constant
4.13 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
3.5 MPa
Modulus pukal
22 GPa
shear modulus
Young's modulus
8 GPa
Nisbah Poisson
Kelajuan bunyi
pengelasan
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
Nombor kuantum4S3/2
space group166 (R_3m)

Isotopes of Arsenic

Stable Isotopes1
Unstable Isotopes32
Natural Isotopes1

60As

Nombor jisim60
nombor neutron27
jisim atom relatif
59.993945 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin5
nuclear quadrupole moment
tarikh penemuan
parity+

decay modeKeamatan (fizik)
p (proton emission)

61As

Nombor jisim61
nombor neutron28
jisim atom relatif
60.981535 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan
parity-

decay modeKeamatan (fizik)
p (proton emission)

62As

Nombor jisim62
nombor neutron29
jisim atom relatif
61.973784 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin1
nuclear quadrupole moment
tarikh penemuan
parity+

decay modeKeamatan (fizik)
p (proton emission)

63As

Nombor jisim63
nombor neutron30
jisim atom relatif
62.964036 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin3/2
nuclear quadrupole moment
tarikh penemuan
parity-

decay modeKeamatan (fizik)
p (proton emission)

64As

Nombor jisim64
nombor neutron31
jisim atom relatif
63.95756 ± 0.000218 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
69 ± 1.4 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1995
parity+

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

65As

Nombor jisim65
nombor neutron32
jisim atom relatif
64.949611 ± 0.000091 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
130.3 ± 0.6 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1991
parity-

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

66As

Nombor jisim66
nombor neutron33
jisim atom relatif
65.944148778 ± 0.0000061 Da
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
95.77 ± 0.23 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1978
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

67As

Nombor jisim67
nombor neutron34
jisim atom relatif
66.93925111 ± 0.000000475 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
42.5 ± 1.2 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1980
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

68As

Nombor jisim68
nombor neutron35
jisim atom relatif
67.936774127 ± 0.000001981 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
151.6 ± 0.8 s
Spin3
nuclear quadrupole moment
tarikh penemuan1971
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

69As

Nombor jisim69
nombor neutron36
jisim atom relatif
68.932246289 ± 0.000034352 Da
g-factor
0.6488 ± 0.0008
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
15.2 ± 0.2 m
Spin5/2
nuclear quadrupole moment
tarikh penemuan1955
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

70As

Nombor jisim70
nombor neutron37
jisim atom relatif
69.930934642 ± 0.0000015 Da
g-factor
0.5276 ± 0.000125
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
52.6 ± 0.3 m
Spin4
nuclear quadrupole moment
0.09 ± 0.02
tarikh penemuan1950
parity+

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

71As

Nombor jisim71
nombor neutron38
jisim atom relatif
70.927113594 ± 0.000004469 Da
g-factor
0.6692 ± 0.0008
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
65.3 ± 0.07 h
Spin5/2
nuclear quadrupole moment
-0.021 ± 0.006
tarikh penemuan1939
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

72As

Nombor jisim72
nombor neutron39
jisim atom relatif
71.926752291 ± 0.000004383 Da
g-factor
-1.0805 ± 0.0003
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
26 ± 0.1 h
Spin2
nuclear quadrupole moment
-0.08 ± 0.02
tarikh penemuan1939
parity-

decay modeKeamatan (fizik)
β+ (β+ decay; β+ = ϵ + e+)100%

73As

Nombor jisim73
nombor neutron40
jisim atom relatif
72.923829086 ± 0.000004136 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
80.3 ± 0.06 d
Spin3/2
nuclear quadrupole moment
tarikh penemuan1948
parity-

decay modeKeamatan (fizik)
ϵ (electron capture)100%

74As

Nombor jisim74
nombor neutron41
jisim atom relatif
73.923928596 ± 0.000001817 Da
g-factor
-0.798 ± 0.0015
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
17.77 ± 0.02 d
Spin2
nuclear quadrupole moment
tarikh penemuan1938
parity-

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

75As

Nombor jisim75
nombor neutron42
jisim atom relatif
74.921594562 ± 0.000000948 Da
g-factor
natural abundance
100
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin3/2
nuclear quadrupole moment
0.311 ± 0.002
tarikh penemuan1920
parity-

76As

Nombor jisim76
nombor neutron43
jisim atom relatif
75.922392011 ± 0.000000951 Da
g-factor
0.45115 ± 0.0005
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.0933 ± 0.0038 d
Spin2
nuclear quadrupole moment
tarikh penemuan1934
parity-

decay modeKeamatan (fizik)
β (β decay)100%

77As

Nombor jisim77
nombor neutron44
jisim atom relatif
76.920647555 ± 0.000001816 Da
g-factor
0.86266666666667 ± 0.00086666666666667
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
38.79 ± 0.05 h
Spin3/2
nuclear quadrupole moment
tarikh penemuan1951
parity-

decay modeKeamatan (fizik)
β (β decay)100%

78As

Nombor jisim78
nombor neutron45
jisim atom relatif
77.921827771 ± 0.000010498 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
90.7 ± 0.2 m
Spin2
nuclear quadrupole moment
tarikh penemuan1937
parity-

decay modeKeamatan (fizik)
β (β decay)100%

79As

Nombor jisim79
nombor neutron46
jisim atom relatif
78.920948419 ± 0.000005716 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
9.01 ± 0.15 m
Spin3/2
nuclear quadrupole moment
tarikh penemuan1950
parity-

decay modeKeamatan (fizik)
β (β decay)100%

80As

Nombor jisim80
nombor neutron47
jisim atom relatif
79.92247444 ± 0.000003578 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
15.2 ± 0.2 s
Spin1
nuclear quadrupole moment
tarikh penemuan1954
parity+

decay modeKeamatan (fizik)
β (β decay)100%

81As

Nombor jisim81
nombor neutron48
jisim atom relatif
80.922132288 ± 0.000002838 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
33.3 ± 0.8 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan1960
parity-

decay modeKeamatan (fizik)
β (β decay)100%

82As

Nombor jisim82
nombor neutron49
jisim atom relatif
81.924738731 ± 0.000004003 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
19.1 ± 0.5 s
Spin2
nuclear quadrupole moment
tarikh penemuan1968
parity-

decay modeKeamatan (fizik)
β (β decay)100%

83As

Nombor jisim83
nombor neutron50
jisim atom relatif
82.9252069 ± 0.000003004 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
13.4 ± 0.4 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1968
parity-

decay modeKeamatan (fizik)
β (β decay)100%

84As

Nombor jisim84
nombor neutron51
jisim atom relatif
83.92930329 ± 0.000003403 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.16 ± 0.58 s
Spin2
nuclear quadrupole moment
tarikh penemuan1968
parity-

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

85As

Nombor jisim85
nombor neutron52
jisim atom relatif
84.932163658 ± 0.000003304 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.022 ± 0.007 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1967
parity-

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

86As

Nombor jisim86
nombor neutron53
jisim atom relatif
85.936701532 ± 0.000003703 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
945 ± 8 ms
Spin1
nuclear quadrupole moment
tarikh penemuan1973
parity-

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

87As

Nombor jisim87
nombor neutron54
jisim atom relatif
86.940291716 ± 0.000003204 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
492 ± 25 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan1970
parity-

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

88As

Nombor jisim88
nombor neutron55
jisim atom relatif
87.94584 ± 0.000215 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
270 ± 150 ms
Spin
nuclear quadrupole moment
tarikh penemuan1994
parity

decay modeKeamatan (fizik)
β (β decay)100%
β n (β-delayed neutron emission)

89As

Nombor jisim89
nombor neutron56
jisim atom relatif
88.950048 ± 0.000322 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin5/2
nuclear quadrupole moment
tarikh penemuan1994
parity-

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

90As

Nombor jisim90
nombor neutron57
jisim atom relatif
89.955995 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan1997
parity

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

91As

Nombor jisim91
nombor neutron58
jisim atom relatif
90.960816 ± 0.000429 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin5/2
nuclear quadrupole moment
tarikh penemuan1997
parity-

decay modeKeamatan (fizik)
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)

92As

Nombor jisim92
nombor neutron59
jisim atom relatif
91.967386 ± 0.000537 Da
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin
nuclear quadrupole moment
tarikh penemuan1997
parity

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

sejarah

penemu atau perekaKnown to the ancients.
tempat penemuan
tarikh penemuan
EtimologiGreek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
sebutanAR-s'n-ik (Inggeris)

sumber

Abundance
Abundance in Earth's crust
1.8 mg/kg
natural abundance (lautan)
0.0037 mg/L
natural abundance (Tubuh manusia)
0.000005 %
natural abundance (Meteoroid)
0.00018 %
natural abundance (Matahari)
Abundance in Universe
0.0000008 %

Nuclear Screening Constants

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