Barium

Barium (Ba)

chemical element with symbol Ba and atomic number 56
Atomic Number56
Atomic Weight137.327
Nombor jisim138
Group2
Period6
Blocks
proton56 p+
neutron82 n0
Elektron56 e-
Animated Model Bohr of Ba (Barium)

Sifat Fizikal

Jejari Atom
molar volume
Jejari kovalen
Metallic Radius
ionic radius
Crystal Radius
Jejari van der Waals
ketumpatan
Atomic Radii Of The Elements: Barium0102030405060708090100110120130140150160170180190200210220230240250260270pmJejari AtomJejari KovalenMetallic RadiusJejari van der Waals

Sifat Kimia

tenaga
proton affinity
Pertalian elektron
ionization energy
ionization energy of Ba (Barium)
Entalpi pengewapan
entalpi pelakuran
standard enthalpy of formation
Elektron
Petala elektron2, 8, 18, 18, 8, 2
Model Bohr: Ba (Barium)
Elektron valens2
Teori ion Lewis: Ba (Barium)
tatarajah elektron[Xe] 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2
Enhanced Model Bohr of Ba (Barium)
Orbital Diagram of Ba (Barium)
Keadaan pengoksidaan1, 2
Keelektronegatifan
0.89
Electrophilicity Index
keadaan jirim asas
fasa jirimSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
rupa
warna
Silver
rupa
indeks biasan
sifat bahan
Thermal Conductivity
Pengembangan terma
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
Kekonduksian elektrik
Kerintangan dan kekonduksian elektrik
Kesuperkonduksian
kemagnetan
typeparamagnetic
magnetic susceptibility (Mass)
0.0000000113 m³/Kg
magnetic susceptibility (Molar)
0.000000001552 m³/mol
magnetic susceptibility (Volume)
0.00003966
magnetic ordering
Suhu Curie
Néel temperature
struktur
Crystal StructureBody Centered Cubic (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
Modulus pukal
shear modulus
Young's modulus
Nisbah Poisson
Kelajuan bunyi
pengelasan
CategoryAlkaline earth metals, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number14
Mendeleev Number9
Pettifor Number14
Geochemical Classalkaline earth metal
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
1.3
Neutron Mass Absorption
0.00027
Nombor kuantum1S0
space group229 (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

Nombor jisim113
nombor neutron57
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin5/2
nuclear quadrupole moment
tarikh penemuan
parity+

decay modeKeamatan (fizik)
p (proton emission)
α (α emission)

114Ba

Nombor jisim114
nombor neutron58
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
460 ± 125 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)20%
α (α emission)0.9%
12C0.0034%

115Ba

Nombor jisim115
nombor neutron59
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
450 ± 50 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan1997
parity+

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

116Ba

Nombor jisim116
nombor neutron60
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.3 ± 0.2 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1997
parity+

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

117Ba

Nombor jisim117
nombor neutron61
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.75 ± 0.07 s
Spin3/2
nuclear quadrupole moment
tarikh penemuan1977
parity+

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

118Ba

Nombor jisim118
nombor neutron62
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.2 ± 0.2 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1997
parity+

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

119Ba

Nombor jisim119
nombor neutron63
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
5.4 ± 0.3 s
Spin5/2
nuclear quadrupole moment
tarikh penemuan1974
parity+

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

120Ba

Nombor jisim120
nombor neutron64
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
24 ± 2 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1974
parity+

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

121Ba

Nombor jisim121
nombor neutron65
Jisim Atom Relatif
g-factor
0.264 ± 0.0004
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
29.7 ± 1.5 s
Spin5/2
nuclear quadrupole moment
1.89 ± 0.13
tarikh penemuan1975
parity+

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

122Ba

Nombor jisim122
nombor neutron66
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
1.95 ± 0.15 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1974
parity+

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

123Ba

Nombor jisim123
nombor neutron67
Jisim Atom Relatif
g-factor
-0.272 ± 0.0004
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.7 ± 0.4 m
Spin5/2
nuclear quadrupole moment
1.57 ± 0.13
tarikh penemuan1962
parity+

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

124Ba

Nombor jisim124
nombor neutron68
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11 ± 0.5 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1967
parity+

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

125Ba

Nombor jisim125
nombor neutron69
Jisim Atom Relatif
g-factor
0.354 ± 0.024
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
3.3 ± 0.3 m
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1968
parity+

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

126Ba

Nombor jisim126
nombor neutron70
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
100 ± 2 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1954
parity+

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

127Ba

Nombor jisim127
nombor neutron71
Jisim Atom Relatif
g-factor
0.1668 ± 0.002
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12.7 ± 0.4 m
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1952
parity+

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

128Ba

Nombor jisim128
nombor neutron72
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.43 ± 0.05 d
Spin0
nuclear quadrupole moment
0
tarikh penemuan1950
parity+

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

129Ba

Nombor jisim129
nombor neutron73
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.23 ± 0.11 h
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1950
parity+

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

130Ba

Nombor jisim130
nombor neutron74
Jisim Atom Relatif
g-factor
0
natural abundance
0.11 ± 0.01
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1936
parity+

decay modeKeamatan (fizik)
+ (double β+ decay)

131Ba

Nombor jisim131
nombor neutron75
Jisim Atom Relatif
g-factor
1.4166 ± 0.0004
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.52 ± 0.01 d
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1947
parity+

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

132Ba

Nombor jisim132
nombor neutron76
Jisim Atom Relatif
g-factor
0
natural abundance
0.1 ± 0.01
Reputan radioaktif☢️ radioactive element
setengah hayat
Spin0
nuclear quadrupole moment
0
tarikh penemuan1936
parity+

decay modeKeamatan (fizik)
+ (double β+ decay)

133Ba

Nombor jisim133
nombor neutron77
Jisim Atom Relatif
g-factor
1.5438 ± 0.0004
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
10.5379 ± 0.0016 y
Spin1/2
nuclear quadrupole moment
0
tarikh penemuan1941
parity+

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

134Ba

Nombor jisim134
nombor neutron78
Jisim Atom Relatif
g-factor
0
natural abundance
2.42 ± 0.15
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1936
parity+

135Ba

Nombor jisim135
nombor neutron79
Jisim Atom Relatif
g-factor
0.55873333333333 ± 0.00013333333333333
natural abundance
6.59 ± 0.1
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin3/2
nuclear quadrupole moment
0.153 ± 0.002
tarikh penemuan1932
parity+

136Ba

Nombor jisim136
nombor neutron80
Jisim Atom Relatif
g-factor
0
natural abundance
7.85 ± 0.24
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1932
parity+

137Ba

Nombor jisim137
nombor neutron81
Jisim Atom Relatif
g-factor
0.625 ± 0.00013333333333333
natural abundance
11.23 ± 0.23
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin3/2
nuclear quadrupole moment
0.236 ± 0.003
tarikh penemuan1932
parity+

138Ba

Nombor jisim138
nombor neutron82
Jisim Atom Relatif
g-factor
0
natural abundance
71.7 ± 0.29
Reputan radioaktifIsotop stabil
setengah hayatNot Radioactive ☢️
Spin0
nuclear quadrupole moment
0
tarikh penemuan1925
parity+

139Ba

Nombor jisim139
nombor neutron83
Jisim Atom Relatif
g-factor
-0.278 ± 0.0014285714285714
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
82.93 ± 0.09 m
Spin7/2
nuclear quadrupole moment
-0.552 ± 0.013
tarikh penemuan1937
parity-

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

140Ba

Nombor jisim140
nombor neutron84
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
12.7534 ± 0.0021 d
Spin0
nuclear quadrupole moment
0
tarikh penemuan1939
parity+

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

141Ba

Nombor jisim141
nombor neutron85
Jisim Atom Relatif
g-factor
-0.22466666666667 ± 0.0033333333333333
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
18.27 ± 0.07 m
Spin3/2
nuclear quadrupole moment
0.437 ± 0.01
tarikh penemuan1945
parity-

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

142Ba

Nombor jisim142
nombor neutron86
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
10.6 ± 0.2 m
Spin0
nuclear quadrupole moment
0
tarikh penemuan1959
parity+

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

143Ba

Nombor jisim143
nombor neutron87
Jisim Atom Relatif
g-factor
0.1772 ± 0.0044
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
14.5 ± 0.3 s
Spin5/2
nuclear quadrupole moment
-0.85 ± 0.02
tarikh penemuan1962
parity-

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

144Ba

Nombor jisim144
nombor neutron88
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
11.73 ± 0.08 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1967
parity+

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

145Ba

Nombor jisim145
nombor neutron89
Jisim Atom Relatif
g-factor
-0.114 ± 0.0028
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
4.31 ± 0.16 s
Spin5/2
nuclear quadrupole moment
1.18 ± 0.02
tarikh penemuan1974
parity-

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

146Ba

Nombor jisim146
nombor neutron90
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
2.15 ± 0.04 s
Spin0
nuclear quadrupole moment
0
tarikh penemuan1970
parity+

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

147Ba

Nombor jisim147
nombor neutron91
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
893 ± 1 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan1978
parity-

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

148Ba

Nombor jisim148
nombor neutron92
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
620 ± 5 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1979
parity+

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

149Ba

Nombor jisim149
nombor neutron93
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
349 ± 4 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1993
parity-

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

150Ba

Nombor jisim150
nombor neutron94
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
258 ± 5 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan1994
parity+

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

151Ba

Nombor jisim151
nombor neutron95
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
167 ± 5 ms
Spin3/2
nuclear quadrupole moment
tarikh penemuan1994
parity-

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

152Ba

Nombor jisim152
nombor neutron96
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
139 ± 8 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan2010
parity+

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

153Ba

Nombor jisim153
nombor neutron97
Jisim Atom Relatif
g-factor
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
113 ± 39 ms
Spin5/2
nuclear quadrupole moment
tarikh penemuan2016
parity-

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

154Ba

Nombor jisim154
nombor neutron98
Jisim Atom Relatif
g-factor
0
natural abundance
Reputan radioaktif☢️ radioactive element
setengah hayat
53 ± 48 ms
Spin0
nuclear quadrupole moment
0
tarikh penemuan2017
parity+

decay modeKeamatan (fizik)
β (β decay)100%
Barium 1

sejarah

penemu atau perekaSir Humphrey Davy
tempat penemuanEngland
tarikh penemuan1808
EtimologiGreek: barys (heavy or dense).
sebutanBAR-i-em (Inggeris)

sumber

Abundance
Abundance in Earth's crust
natural abundance (lautan)
natural abundance (Tubuh manusia)
0.00003 %
natural abundance (Meteoroid)
0.00027 %
natural abundance (Matahari)
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