Arsen

Arsen (As)

hemijski element sa simbolom As i atomskim brojem 33
Atomic Number33
Atomic Weight74.921595
Maseni broj75
Group15
Period4
Blockp
Proton33 p+
Neutron42 n0
Elektron33 e-
Animated Bohrov model atoma of As (Arsen)

Physical Property

Atomski Radijus
115 pm
Molarni volumen
covalent radius
121 pm
Metallic Radius
121 pm
Ionski radijus
58 pm
Crystal Radius
72 pm
Van der Waalsov radijus
185 pm
gustoća
5,75 g/cm³
Atomic Radii Of The Elements: Arsen0102030405060708090100110120130140150160170180190pmAtomski RadijusCovalent RadiusMetallic RadiusVan der Waalsov radijus

Chemical Property

energija
proton affinity
electron affinity
ionization energy
ionization energy of As (Arsen)
Toplota isparavanja
32,4 kJ/mol
toplota topljenja
standard enthalpy of formation
302,5 kJ/mol
Elektron
electron shell2, 8, 18, 5
Bohrov model atoma: As (Arsen)
Valentni elektron5
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)
oksidacijsko stanje-3, -2, -1, 0, 1, 2, 3, 4, 5
Elektronegativnost
2.18
Electrophilicity Index
1,5610969532554257 eV/particle
fundamental state of matter
agregatno stanjeSolid
gaseous state of matter
Boiling Point
889,15 K
Melting Point
1.090,15 K
critical pressure
22,3 MPa
Kritična temperatura
1.673,15 K
Trojna tačka
1.090,15 K
3.700 kPa
appearance
boja
Silver
appearancemetallic grey
Indeks prelamanja
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
Specifična električna provodljivost
3,3 MS/m
electrical resistivity
0,0000003 m Ω
Superprovodljivost
Magnetizam
typediamagnetic
magnetic susceptibility (Mass)
-0,0000000039 m³/Kg
magnetic susceptibility (Molar)
-0,000000000292 m³/mol
magnetic susceptibility (Volume)
-0,0000223
magnetic ordering
Kirijeva tačka
Néel temperature
struktura
Crystal StructureSimple Trigonal (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
Young's modulus
8 GPa
Poisson's ratio
Brzina zvuka
klasifikacija
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
Kvantni brojevi4S3/2
space group166 (R_3m)

Isotopes of Arsenic

Stable Isotopes1
Unstable Isotopes32
Natural Isotopes1

60As

Maseni broj60
broj neutrona27
relative atomic mass
59,993945 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5
nuclear quadrupole moment
datum otkrića
parity+

decay modeintensity
p (proton emission)

61As

Maseni broj61
broj neutrona28
relative atomic mass
60,981535 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića
parity-

decay modeintensity
p (proton emission)

62As

Maseni broj62
broj neutrona29
relative atomic mass
61,973784 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin1
nuclear quadrupole moment
datum otkrića
parity+

decay modeintensity
p (proton emission)

63As

Maseni broj63
broj neutrona30
relative atomic mass
62,964036 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin3/2
nuclear quadrupole moment
datum otkrića
parity-

decay modeintensity
p (proton emission)

64As

Maseni broj64
broj neutrona31
relative atomic mass
63,95756 ± 0,000218 Da
g-factor
0
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
69 ± 1,4 ms
spin0
nuclear quadrupole moment
0
datum otkrića1995
parity+

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

65As

Maseni broj65
broj neutrona32
relative atomic mass
64,949611 ± 0,000091 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
130,3 ± 0,6 ms
spin3/2
nuclear quadrupole moment
datum otkrića1991
parity-

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

66As

Maseni broj66
broj neutrona33
relative atomic mass
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
datum otkrića1978
parity+

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

67As

Maseni broj67
broj neutrona34
relative atomic mass
66,93925111 ± 0,000000475 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
42,5 ± 1,2 s
spin5/2
nuclear quadrupole moment
datum otkrića1980
parity-

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

68As

Maseni broj68
broj neutrona35
relative atomic mass
67,936774127 ± 0,000001981 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
151,6 ± 0,8 s
spin3
nuclear quadrupole moment
datum otkrića1971
parity+

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

69As

Maseni broj69
broj neutrona36
relative atomic mass
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
datum otkrića1955
parity-

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

70As

Maseni broj70
broj neutrona37
relative atomic mass
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
datum otkrića1950
parity+

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

71As

Maseni broj71
broj neutrona38
relative atomic mass
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
datum otkrića1939
parity-

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

72As

Maseni broj72
broj neutrona39
relative atomic mass
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
datum otkrića1939
parity-

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

73As

Maseni broj73
broj neutrona40
relative atomic mass
72,923829086 ± 0,000004136 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
80,3 ± 0,06 d
spin3/2
nuclear quadrupole moment
datum otkrića1948
parity-

decay modeintensity
ϵ (electron capture)100%

74As

Maseni broj74
broj neutrona41
relative atomic mass
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
datum otkrića1938
parity-

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

75As

Maseni broj75
broj neutrona42
relative atomic mass
74,921594562 ± 0,000000948 Da
g-factor
natural abundance
100
Radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,311 ± 0,002
datum otkrića1920
parity-

76As

Maseni broj76
broj neutrona43
relative atomic mass
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
datum otkrića1934
parity-

decay modeintensity
β (β decay)100%

77As

Maseni broj77
broj neutrona44
relative atomic mass
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
datum otkrića1951
parity-

decay modeintensity
β (β decay)100%

78As

Maseni broj78
broj neutrona45
relative atomic mass
77,921827771 ± 0,000010498 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
90,7 ± 0,2 m
spin2
nuclear quadrupole moment
datum otkrića1937
parity-

decay modeintensity
β (β decay)100%

79As

Maseni broj79
broj neutrona46
relative atomic mass
78,920948419 ± 0,000005716 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
9,01 ± 0,15 m
spin3/2
nuclear quadrupole moment
datum otkrića1950
parity-

decay modeintensity
β (β decay)100%

80As

Maseni broj80
broj neutrona47
relative atomic mass
79,92247444 ± 0,000003578 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
15,2 ± 0,2 s
spin1
nuclear quadrupole moment
datum otkrića1954
parity+

decay modeintensity
β (β decay)100%

81As

Maseni broj81
broj neutrona48
relative atomic mass
80,922132288 ± 0,000002838 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
33,3 ± 0,8 s
spin3/2
nuclear quadrupole moment
datum otkrića1960
parity-

decay modeintensity
β (β decay)100%

82As

Maseni broj82
broj neutrona49
relative atomic mass
81,924738731 ± 0,000004003 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
19,1 ± 0,5 s
spin2
nuclear quadrupole moment
datum otkrića1968
parity-

decay modeintensity
β (β decay)100%

83As

Maseni broj83
broj neutrona50
relative atomic mass
82,9252069 ± 0,000003004 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
13,4 ± 0,4 s
spin5/2
nuclear quadrupole moment
datum otkrića1968
parity-

decay modeintensity
β (β decay)100%

84As

Maseni broj84
broj neutrona51
relative atomic mass
83,92930329 ± 0,000003403 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,16 ± 0,58 s
spin2
nuclear quadrupole moment
datum otkrića1968
parity-

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

85As

Maseni broj85
broj neutrona52
relative atomic mass
84,932163658 ± 0,000003304 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,022 ± 0,007 s
spin5/2
nuclear quadrupole moment
datum otkrića1967
parity-

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

86As

Maseni broj86
broj neutrona53
relative atomic mass
85,936701532 ± 0,000003703 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
945 ± 8 ms
spin1
nuclear quadrupole moment
datum otkrića1973
parity-

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

87As

Maseni broj87
broj neutrona54
relative atomic mass
86,940291716 ± 0,000003204 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
492 ± 25 ms
spin5/2
nuclear quadrupole moment
datum otkrića1970
parity-

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

88As

Maseni broj88
broj neutrona55
relative atomic mass
87,94584 ± 0,000215 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
270 ± 150 ms
spin
nuclear quadrupole moment
datum otkrića1994
parity

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

89As

Maseni broj89
broj neutrona56
relative atomic mass
88,950048 ± 0,000322 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića1994
parity-

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

90As

Maseni broj90
broj neutrona57
relative atomic mass
89,955995 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića1997
parity

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

91As

Maseni broj91
broj neutrona58
relative atomic mass
90,960816 ± 0,000429 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
datum otkrića1997
parity-

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

92As

Maseni broj92
broj neutrona59
relative atomic mass
91,967386 ± 0,000537 Da
g-factor
natural abundance
Radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin
nuclear quadrupole moment
datum otkrića1997
parity

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

historija

otkrivač ili izumiteljKnown to the ancients.
mjesto otkrića
datum otkrića
EtimologijaGreek: arsenikon; Latin: arsenicum, (both names for yellow pigment).
pronunciationAR-s'n-ik (engleski)

izvor

Abundance
Abundance in Earth's crust
1,8 mg/kg
natural abundance (okean)
0,0037 mg/L
natural abundance (ljudsko tijelo)
0,000005 %
natural abundance (Meteoroidi)
0,00018 %
natural abundance (Sunce)
Abundance in Universe
0,0000008 %

Nuclear Screening Constants

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