Barioa

Barioa (Ba)

56 zenbaki atomikoa duen elementu kimikoa
Atomic Number56
Atomic Weight137.327
masa-zenbaki138
Group2
Period6
Blocks
protoi56 p+
neutroi82 n0
elektroi56 e-
Animated Bohrren eredu atomikoa of Ba (Barioa)

Propietate Fisiko

Erradio Atomiko
215 pm
bolumen molar
Erradio Kobalente
196 pm
Metallic Radius
198 pm
Erradio ioniko
135 pm
Crystal Radius
149 pm
Van der Waalsen erradio
268 pm
dentsitatea
3,62 g/cm³
Atomic Radii Of The Elements: Barioa0102030405060708090100110120130140150160170180190200210220230240250260270pmErradio AtomikoErradio KobalenteMetallic RadiusVan der Waalsen erradio

Magnitude Fisiko

energia
proton affinity
Afinitate elektroniko
0,14462 eV/particle
ionizazio energia
5,211664 eV/particle
ionizazio energia of Ba (Barioa)
Irakite-entalpia
142 kJ/mol
urtze-entalpia
7,66 kJ/mol
formazio entalpia estandarra
179,1 kJ/mol
elektroi
elektroi geruza2, 8, 18, 18, 8, 2
Bohrren eredu atomikoa: Ba (Barioa)
balentzia-elektroi2
Lewis egitura: Ba (Barioa)
electron configuration[Xe] 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2
Enhanced Bohrren eredu atomikoa of Ba (Barioa)
Orbital Diagram of Ba (Barioa)
Oxidazio-egoera1, 2
Elektronegatibotasun
0.89
Electrophilicity Index
0,7077543210759566 eV/particle
materiaren funtsezko egoera
materiaren egoeraSolid
materiaren egoera gaseoso
Boiling Point
2.118,15 K
Melting Point
1.000,15 K
critical pressure
critical temperature
Puntu hirukoitz
appearance
kolore
Silver
appearance
errefrakzio-indize
thermodynamic material property
Thermal Conductivity
Bero-dilatazio
0,0000206 1/K
molar heat capacity
28,07 J/(mol K)
Specific Heat Capacity
0,204 J/(g⋅K)
indize adiabatiko
electrical properties
typeConductor
Eroankortasun elektriko
2,9 MS/m
Erresistibitate elektriko
0,00000035 m Ω
Supereroankortasun
Magnetismo
typeparamagnetic
suszeptibilitate magnetiko (Mass)
0,0000000113 m³/Kg
suszeptibilitate magnetiko (Molar)
0,000000001552 m³/mol
suszeptibilitate magnetiko (Volume)
0,00003966
magnetic ordering
Curieren tenperatura
Néel temperature
egitura
Crystal StructureBody Centered Cubic (BCC)
lattice constant
5,02 Å
Lattice Anglesπ/2, π/2, π/2
materialen propietate mekaniko
Gogortasun
1,25 MPa
konprimagarritasun-modulu
9,6 GPa
Zizaila modulua
4,9 GPa
Youngen modulu
13 GPa
Poissonen modulu
Soinuaren lastertasun
1.620 m/s
classification
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number14
Mendeleev Number9
Pettifor Number14
Geochemical Classalkaline earth metal
Goldschmidt classificationlitophile

beste batzuk

Gas Basicity
polarizability
272 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
1,3
Neutron Mass Absorption
0,00027
zenbaki kuantiko1S0
talde espazial229 (Im_3m)

Isotopes of Barium

Stable Isotopes5
Unstable Isotopes37
Natural Isotopes7
Isotopic Composition13871.70%13871.70%13711.23%13711.23%1367.85%1367.85%1356.59%1356.59%1342.42%1342.42%1300.11%1300.11%1320.10%1320.10%

113Ba

masa-zenbaki113
neutron number57
atomo-masa erlatibo
112,95737 ± 0,000322 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin5/2
nuclear quadrupole moment
aurkikuntza-data
parity+

decay modeintensity
p (proton emission)
α (α emission)

114Ba

masa-zenbaki114
neutron number58
atomo-masa erlatibo
113,950718489 ± 0,000110227 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
460 ± 125 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1995
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)20%
α (α emission)0.9%
12C0.0034%

115Ba

masa-zenbaki115
neutron number59
atomo-masa erlatibo
114,947482 ± 0,000215 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
450 ± 50 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data1997
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)15%

116Ba

masa-zenbaki116
neutron number60
atomo-masa erlatibo
115,941621 ± 0,000215 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,3 ± 0,2 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)3%

117Ba

masa-zenbaki117
neutron number61
atomo-masa erlatibo
116,938316403 ± 0,000268749 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,75 ± 0,07 s
spin3/2
nuclear quadrupole moment
aurkikuntza-data1977
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)13%
β+α (β+-delayed α emission)0.024%

118Ba

masa-zenbaki118
neutron number62
atomo-masa erlatibo
117,933226 ± 0,000215 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5,2 ± 0,2 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1997
parity+

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

119Ba

masa-zenbaki119
neutron number63
atomo-masa erlatibo
118,930659683 ± 0,000214997 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
5,4 ± 0,3 s
spin5/2
nuclear quadrupole moment
aurkikuntza-data1974
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)25%

120Ba

masa-zenbaki120
neutron number64
atomo-masa erlatibo
119,926044997 ± 0,000322241 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
24 ± 2 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1974
parity+

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

121Ba

masa-zenbaki121
neutron number65
atomo-masa erlatibo
120,924052286 ± 0,000152333 Da
g-factor
0,264 ± 0,0004
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
29,7 ± 1,5 s
spin5/2
nuclear quadrupole moment
1,89 ± 0,13
aurkikuntza-data1975
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.02%

122Ba

masa-zenbaki122
neutron number66
atomo-masa erlatibo
121,919904 ± 0,00003 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
1,95 ± 0,15 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1974
parity+

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

123Ba

masa-zenbaki123
neutron number67
atomo-masa erlatibo
122,91878106 ± 0,000013 Da
g-factor
−0,272 ± 0,0004
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,7 ± 0,4 m
spin5/2
nuclear quadrupole moment
1,57 ± 0,13
aurkikuntza-data1962
parity+

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

124Ba

masa-zenbaki124
neutron number68
atomo-masa erlatibo
123,915093627 ± 0,000013416 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11 ± 0,5 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1967
parity+

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

125Ba

masa-zenbaki125
neutron number69
atomo-masa erlatibo
124,91447184 ± 0,0000118 Da
g-factor
0,354 ± 0,024
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
3,3 ± 0,3 m
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1968
parity+

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

126Ba

masa-zenbaki126
neutron number70
atomo-masa erlatibo
125,911250202 ± 0,000013416 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
100 ± 2 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1954
parity+

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

127Ba

masa-zenbaki127
neutron number71
atomo-masa erlatibo
126,911091272 ± 0,000012192 Da
g-factor
0,1668 ± 0,002
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
12,7 ± 0,4 m
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1952
parity+

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

128Ba

masa-zenbaki128
neutron number72
atomo-masa erlatibo
127,908352446 ± 0,000001728 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,43 ± 0,05 d
spin0
nuclear quadrupole moment
0
aurkikuntza-data1950
parity+

decay modeintensity
ϵ (electron capture)100%

129Ba

masa-zenbaki129
neutron number73
atomo-masa erlatibo
128,908683409 ± 0,000011276 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,23 ± 0,11 h
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1950
parity+

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

130Ba

masa-zenbaki130
neutron number74
atomo-masa erlatibo
129,906326002 ± 0,000000308 Da
g-factor
0
natural abundance
0,11 ± 0,01
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1936
parity+

decay modeintensity
+ (double β+ decay)

131Ba

masa-zenbaki131
neutron number75
atomo-masa erlatibo
130,906946315 ± 0,000000445 Da
g-factor
1,4166 ± 0,0004
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11,52 ± 0,01 d
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1947
parity+

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

132Ba

masa-zenbaki132
neutron number76
atomo-masa erlatibo
131,905061231 ± 0,00000113 Da
g-factor
0
natural abundance
0,1 ± 0,01
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
spin0
nuclear quadrupole moment
0
aurkikuntza-data1936
parity+

decay modeintensity
+ (double β+ decay)

133Ba

masa-zenbaki133
neutron number77
atomo-masa erlatibo
132,906007443 ± 0,000001065 Da
g-factor
1,5438 ± 0,0004
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
10,5379 ± 0,0016 y
spin1/2
nuclear quadrupole moment
0
aurkikuntza-data1941
parity+

decay modeintensity
ϵ (electron capture)100%

134Ba

masa-zenbaki134
neutron number78
atomo-masa erlatibo
133,904508249 ± 0,000000269 Da
g-factor
0
natural abundance
2,42 ± 0,15
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1936
parity+

135Ba

masa-zenbaki135
neutron number79
atomo-masa erlatibo
134,905688447 ± 0,000000263 Da
g-factor
0,55873333333333 ± 0,00013333333333333
natural abundance
6,59 ± 0,1
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,153 ± 0,002
aurkikuntza-data1932
parity+

136Ba

masa-zenbaki136
neutron number80
atomo-masa erlatibo
135,9045758 ± 0,000000262 Da
g-factor
0
natural abundance
7,85 ± 0,24
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1932
parity+

137Ba

masa-zenbaki137
neutron number81
atomo-masa erlatibo
136,905827207 ± 0,000000266 Da
g-factor
0,625 ± 0,00013333333333333
natural abundance
11,23 ± 0,23
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,236 ± 0,003
aurkikuntza-data1932
parity+

138Ba

masa-zenbaki138
neutron number82
atomo-masa erlatibo
137,905247059 ± 0,000000267 Da
g-factor
0
natural abundance
71,7 ± 0,29
desintegrazio erradioaktiboisotopo egonkor
Semidesintegrazio-periodoNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
aurkikuntza-data1925
parity+

139Ba

masa-zenbaki139
neutron number83
atomo-masa erlatibo
138,908841164 ± 0,000000271 Da
g-factor
−0,278 ± 0,0014285714285714
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
82,93 ± 0,09 m
spin7/2
nuclear quadrupole moment
−0,552 ± 0,013
aurkikuntza-data1937
parity-

decay modeintensity
β (β decay)100%

140Ba

masa-zenbaki140
neutron number84
atomo-masa erlatibo
139,910608231 ± 0,00000848 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
12,7534 ± 0,0021 d
spin0
nuclear quadrupole moment
0
aurkikuntza-data1939
parity+

decay modeintensity
β (β decay)100%

141Ba

masa-zenbaki141
neutron number85
atomo-masa erlatibo
140,914403653 ± 0,000005709 Da
g-factor
−0,22466666666667 ± 0,0033333333333333
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
18,27 ± 0,07 m
spin3/2
nuclear quadrupole moment
0,437 ± 0,01
aurkikuntza-data1945
parity-

decay modeintensity
β (β decay)100%

142Ba

masa-zenbaki142
neutron number86
atomo-masa erlatibo
141,916432904 ± 0,000006355 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
10,6 ± 0,2 m
spin0
nuclear quadrupole moment
0
aurkikuntza-data1959
parity+

decay modeintensity
β (β decay)100%

143Ba

masa-zenbaki143
neutron number87
atomo-masa erlatibo
142,920625149 ± 0,000007253 Da
g-factor
0,1772 ± 0,0044
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
14,5 ± 0,3 s
spin5/2
nuclear quadrupole moment
−0,85 ± 0,02
aurkikuntza-data1962
parity-

decay modeintensity
β (β decay)100%

144Ba

masa-zenbaki144
neutron number88
atomo-masa erlatibo
143,922954821 ± 0,000007661 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
11,73 ± 0,08 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1967
parity+

decay modeintensity
β (β decay)100%

145Ba

masa-zenbaki145
neutron number89
atomo-masa erlatibo
144,9275184 ± 0,0000091 Da
g-factor
−0,114 ± 0,0028
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
4,31 ± 0,16 s
spin5/2
nuclear quadrupole moment
1,18 ± 0,02
aurkikuntza-data1974
parity-

decay modeintensity
β (β decay)100%

146Ba

masa-zenbaki146
neutron number90
atomo-masa erlatibo
145,9303632 ± 0,0000019 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
2,15 ± 0,04 s
spin0
nuclear quadrupole moment
0
aurkikuntza-data1970
parity+

decay modeintensity
β (β decay)100%

147Ba

masa-zenbaki147
neutron number91
atomo-masa erlatibo
146,9353039 ± 0,0000212 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
893 ± 1 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data1978
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.07%

148Ba

masa-zenbaki148
neutron number92
atomo-masa erlatibo
147,938223 ± 0,0000016 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
620 ± 5 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1979
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.4%

149Ba

masa-zenbaki149
neutron number93
atomo-masa erlatibo
148,943284 ± 0,0000027 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
349 ± 4 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1993
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3.9%

150Ba

masa-zenbaki150
neutron number94
atomo-masa erlatibo
149,9464411 ± 0,0000061 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
258 ± 5 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1%

151Ba

masa-zenbaki151
neutron number95
atomo-masa erlatibo
150,951755 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
167 ± 5 ms
spin3/2
nuclear quadrupole moment
aurkikuntza-data1994
parity-

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

152Ba

masa-zenbaki152
neutron number96
atomo-masa erlatibo
151,95533 ± 0,000429 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
139 ± 8 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data2010
parity+

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

153Ba

masa-zenbaki153
neutron number97
atomo-masa erlatibo
152,960848 ± 0,000429 Da
g-factor
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
113 ± 39 ms
spin5/2
nuclear quadrupole moment
aurkikuntza-data2016
parity-

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

154Ba

masa-zenbaki154
neutron number98
atomo-masa erlatibo
153,964659 ± 0,000537 Da
g-factor
0
natural abundance
desintegrazio erradioaktibo☢️ radioactive element
Semidesintegrazio-periodo
53 ± 48 ms
spin0
nuclear quadrupole moment
0
aurkikuntza-data2017
parity+

decay modeintensity
β (β decay)100%
Barium 1

historia

aurkitzailea edo asmatzaileaSir Humphrey Davy
aurkikuntzaren lekuaEngland
aurkikuntza-data1808
etimologiaGreek: barys (heavy or dense).
pronunciationBAR-i-em (ingelesa)

source

Abundance
Abundance in Earth's crust
425 mg/kg
natural abundance (ozeano)
0,013 mg/L
natural abundance (gizakiaren gorputza)
0,00003 %
natural abundance (Meteoroide)
0,00027 %
natural abundance (Eguzkia)
0,000001 %
Abundance in Universe
0,000001 %

Nuclear Screening Constants

1s1.1139
2p4.1904
2s14.7532
3d13.9757
3p18.6836
3s18.8444
4d32.216
4p29.1968
4s28.08
5p41.1995
5s39.3805
6s48.425