Selenioa

Selenioa (Se)

34 zenbaki atomikoa duen elementu kimikoa
Atomic Number34
Atomic Weight78.971
masa-zenbaki80
Group16
Period4
Blockp
protoi34 p+
neutroi46 n0
elektroi34 e-
Animated Bohrren eredu atomikoa of Se (Selenioa)

Propietate Fisiko

Erradio Atomiko
115 pm
bolumen molar
Erradio Kobalente
116 pm
Metallic Radius
117 pm
Erradio ioniko
198 pm
Crystal Radius
184 pm
Van der Waalsen erradio
190 pm
dentsitatea
4,809 g/cm³
Atomic Radii Of The Elements: Selenioa0102030405060708090100110120130140150160170180190pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
2,02067 eV/particle
ionizazio energia
9,752392 eV/particle
ionizazio energia of Se (Selenioa)
Irakite-entalpia
59,7 kJ/mol
urtze-entalpia
5,23 kJ/mol
formazio entalpia estandarra
227,2 kJ/mol
elektroi
elektroi geruza2, 8, 18, 6
Bohrren eredu atomikoa: Se (Selenioa)
balentzia-elektroi6
Lewis egitura: Se (Selenioa)
electron configuration[Ar] 3d10 4s2 4p4
1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p4
Enhanced Bohrren eredu atomikoa of Se (Selenioa)
Orbital Diagram of Se (Selenioa)
Oxidazio-egoera-2, -1, 0, 1, 2, 3, 4, 5, 6
Elektronegatibotasun
2.55
Electrophilicity Index
2,2408492709619536 eV/particle
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
958,15 K
Melting Point
453,15 K
critical pressure
critical temperature
1.766,15 K
Puntu hirukoitz
appearance
kolore
Gray
appearanceblack, red, and gray (not pictured) allotropes
errefrakzio-indize
1,000895
thermodynamic material property
Thermal Conductivity
0,52 W/(m K)
Bero-dilatazio
molar heat capacity
25,363 J/(mol K)
Specific Heat Capacity
0,321 J/(g⋅K)
indize adiabatiko
electrical properties
type
Eroankortasun elektriko
Erresistibitate elektriko
Supereroankortasun
Magnetismo
typediamagnetic
suszeptibilitate magnetiko (Mass)
−0,000000004 m³/Kg
suszeptibilitate magnetiko (Molar)
−0,000000000316 m³/mol
suszeptibilitate magnetiko (Volume)
−0,0000193
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureSimple Monoclinic (HEX)
lattice constant
4,36 Å
Lattice Anglesπ/2, 1.58493, π/2
materialen propietate mekaniko
Gogortasun
2 MPa
konprimagarritasun-modulu
8,3 GPa
Zizaila modulua
3,7 GPa
Youngen modulu
10 GPa
Poissonen modulu
0,33
Soinuaren lastertasun
3.350 m/s
classification
CategoryOther nonmetals, Nonmetals
CAS GroupVIB
IUPAC GroupVIA
Glawe Number95
Mendeleev Number101
Pettifor Number93
Geochemical Classsemi-volatile
Goldschmidt classificationchalcophile

beste batzuk

Gas Basicity
polarizability
28,9 ± 1 a₀
C6 Dispersion Coefficient
210 a₀
allotropeAmorphous Red Selenium, Amorphous Black Selenium, Monoclinic Selenium, Hexagonal Selenium
Neutron cross section
11,7
Neutron Mass Absorption
0,0056
zenbaki kuantiko3P2
talde espazial14 (P121/c1)

Isotopes of Selenium

Stable Isotopes3
Unstable Isotopes30
Natural Isotopes6
Isotopic Composition8049.80%8049.80%7823.69%7823.69%769.23%769.23%828.82%828.82%777.60%777.60%740.86%740.86%

63Se

masa-zenbaki63
neutron number29
atomo-masa erlatibo
62,981911 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
13,2 ± 3,9 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data2016
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)89%
2p (2-proton emission)0.5%

64Se

masa-zenbaki64
neutron number30
atomo-masa erlatibo
63,971165 ± 0,000537 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
22,6 ± 0,2 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data2005
parity+

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

65Se

masa-zenbaki65
neutron number31
atomo-masa erlatibo
64,964552 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
34,2 ± 0,7 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1993
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)87%

66Se

masa-zenbaki66
neutron number32
atomo-masa erlatibo
65,955276 ± 0,000215 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
54 ± 4 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1993
parity+

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

67Se

masa-zenbaki67
neutron number33
atomo-masa erlatibo
66,949994 ± 0,000072 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
133 ± 4 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data1991
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.5%

68Se

masa-zenbaki68
neutron number34
atomo-masa erlatibo
67,941825236 ± 0,000000532 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
35,5 ± 0,7 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1990
parity+

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

69Se

masa-zenbaki69
neutron number35
atomo-masa erlatibo
68,939414845 ± 0,000001599 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
27,4 ± 0,2 s
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1974
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.052%

70Se

masa-zenbaki70
neutron number36
atomo-masa erlatibo
69,933515521 ± 0,0000017 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
41,1 ± 0,3 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1950
parity+

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

71Se

masa-zenbaki71
neutron number37
atomo-masa erlatibo
70,932209431 ± 0,000003 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,74 ± 0,05 m
spin5/2
nuclear quadrupole moment
aurkikuntza-data1957
parity-

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

72Se

masa-zenbaki72
neutron number38
atomo-masa erlatibo
71,927140506 ± 0,0000021 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
8,4 ± 0,08 d
spin0
nuclear quadrupole moment
0
aurkikuntza-data1948
parity+

decay modeintensity
ϵ (electron capture)100%

73Se

masa-zenbaki73
neutron number39
atomo-masa erlatibo
72,926754881 ± 0,000007969 Da
g-factor
0,19822222222222 ± 0,0028888888888889
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
7,15 ± 0,09 h
spin9/2
nuclear quadrupole moment
aurkikuntza-data1948
parity+

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

74Se

masa-zenbaki74
neutron number40
atomo-masa erlatibo
73,922475933 ± 0,000000015 Da
g-factor
0
natural abundance
0,86 ± 0,03
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1922
parity+

decay modeintensity
+ (double β+ decay)

75Se

masa-zenbaki75
neutron number41
atomo-masa erlatibo
74,92252287 ± 0,000000078 Da
g-factor
0,2732 ± 0,004
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
119,78 ± 0,03 d
spin5/2
nuclear quadrupole moment
1,1 ± 0,2
aurkikuntza-data1947
parity+

decay modeintensity
ϵ (electron capture)100%

76Se

masa-zenbaki76
neutron number42
atomo-masa erlatibo
75,919213702 ± 0,000000017 Da
g-factor
0
natural abundance
9,23 ± 0,07
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1922
parity+

77Se

masa-zenbaki77
neutron number43
atomo-masa erlatibo
76,91991415 ± 0,000000067 Da
g-factor
1,06712 ± 0,0001
natural abundance
7,6 ± 0,07
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1922
parity-

78Se

masa-zenbaki78
neutron number44
atomo-masa erlatibo
77,917309244 ± 0,000000191 Da
g-factor
0
natural abundance
23,69 ± 0,22
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1922
parity+

79Se

masa-zenbaki79
neutron number45
atomo-masa erlatibo
78,918499252 ± 0,000000238 Da
g-factor
−0,29085714285714 ± 0,0042857142857143
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
327 ± 28 ky
spin7/2
nuclear quadrupole moment
0,8 ± 0,2
aurkikuntza-data1950
parity+

decay modeintensity
β (β decay)100%

80Se

masa-zenbaki80
neutron number46
atomo-masa erlatibo
79,916521761 ± 0,000001016 Da
g-factor
0
natural abundance
49,8 ± 0,36
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1922
parity+

decay modeintensity
(double β decay)

81Se

masa-zenbaki81
neutron number47
atomo-masa erlatibo
80,917993019 ± 0,000001049 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
18,45 ± 0,12 m
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1948
parity-

decay modeintensity
β (β decay)100%

82Se

masa-zenbaki82
neutron number48
atomo-masa erlatibo
81,916699531 ± 0,0000005 Da
g-factor
0
natural abundance
8,82 ± 0,15
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
87,6 ± 1,5 Ey
spin0
nuclear quadrupole moment
0
aurkikuntza-data1922
parity+

decay modeintensity
(double β decay)100%

83Se

masa-zenbaki83
neutron number49
atomo-masa erlatibo
82,919118604 ± 0,000003259 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
22,25 ± 0,04 m
spin9/2
nuclear quadrupole moment
aurkikuntza-data1937
parity+

decay modeintensity
β (β decay)100%

84Se

masa-zenbaki84
neutron number50
atomo-masa erlatibo
83,918466761 ± 0,000002105 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,26 ± 0,1 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1960
parity+

decay modeintensity
β (β decay)100%

85Se

masa-zenbaki85
neutron number51
atomo-masa erlatibo
84,922260758 ± 0,000002804 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
32,9 ± 0,3 s
spin5/2
nuclear quadrupole moment
aurkikuntza-data1960
parity

decay modeintensity
β (β decay)100%

86Se

masa-zenbaki86
neutron number52
atomo-masa erlatibo
85,924311732 ± 0,000002705 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
14,3 ± 0,3 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1973
parity+

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

87Se

masa-zenbaki87
neutron number53
atomo-masa erlatibo
86,928688616 ± 0,000002405 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5,5 ± 0,06 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1968
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.6%

88Se

masa-zenbaki88
neutron number54
atomo-masa erlatibo
87,93141749 ± 0,000003604 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,53 ± 0,06 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.99%

89Se

masa-zenbaki89
neutron number55
atomo-masa erlatibo
88,936669058 ± 0,000004003 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
430 ± 50 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)7.8%

90Se

masa-zenbaki90
neutron number56
atomo-masa erlatibo
89,940096 ± 0,000354 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
210 ± 80 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1994
parity+

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

91Se

masa-zenbaki91
neutron number57
atomo-masa erlatibo
90,9457 ± 0,000465 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
270 ± 50 ms
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1975
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)21%
2n (2-neutron emission)

92Se

masa-zenbaki92
neutron number58
atomo-masa erlatibo
91,94984 ± 0,000429 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

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

93Se

masa-zenbaki93
neutron number59
atomo-masa erlatibo
92,956135 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

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

94Se

masa-zenbaki94
neutron number60
atomo-masa erlatibo
93,96049 ± 0,000537 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

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

95Se

masa-zenbaki95
neutron number61
atomo-masa erlatibo
94,9673 ± 0,000537 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin3/2
nuclear quadrupole moment
aurkikuntza-data2010
parity+

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

historia

aurkitzailea edo asmatzaileaJöns Berzelius
aurkikuntzaren lekuaSweden
aurkikuntza-data1818
etimologiaGreek: selênê (moon).
pronunciationsi-LEE-ni-em (ingelesa)

source

Abundance
Abundance in Earth's crust
0,05 mg/kg
natural abundance (ozeano)
0,0002 mg/L
natural abundance (gizakiaren gorputza)
0,000005 %
natural abundance (Meteoroide)
0,0013 %
natural abundance (Eguzkia)
Abundance in Universe
0,000003 %

Nuclear Screening Constants

1s0.7378
2p3.9348
2s9.1116
3d15.523
3p15.295
3s14.5966
4p25.7128
4s24.2424