Bairiam (Ba)

chemical element with symbol Ba and atomic number 56

Atomic Number	56
Atomic Weight	137.327
Núicléónuimhir	138

Group	2
Period	6
Block	s

prótón	56 p⁺
neodrón	82 n⁰
leictreon	56 e^-

Physical Property

Ga Adamhach	215 pm 293 pm
molar volume	39 cm³/mol
covalent radius	196 pm 161 pm 149 pm 210 pm 215 pm
Metallic Radius	198 pm 222 pm
ionic radius	135 pm 138 pm 142 pm 147 pm 152 pm 157 pm 161 pm
Crystal Radius	149 pm 152 pm 156 pm 161 pm 166 pm 171 pm 175 pm
Van der Waals radius	270 pm 268 pm 307 pm 268 pm 370.3 pm
dlús	3.62 g/cm³ 3,338 kg/m³

Chemical Property

fuinneamh

proton affinity
electron affinity	0.14462 eV/particle
ionization energy	5.211664 eV/particle 10.003826 eV/particle 35.84 eV/particle 47.03 eV/particle 58 eV/particle 71 eV/particle 86 eV/particle 101 eV/particle 130.53 eV/particle 146.52 eV/particle 241 eV/particle 267.1 eV/particle 296 eV/particle 325 eV/particle 354 eV/particle 390 eV/particle 422 eV/particle 455 eV/particle 488 eV/particle 520 eV/particle 646 eV/particle 679 eV/particle 717 eV/particle 752 eV/particle 809 eV/particle 846 eV/particle 935 eV/particle 976.6 eV/particle 1,695 eV/particle 1,776 eV/particle 1,864 eV/particle 1,958 eV/particle 2,047 eV/particle 2,142 eV/particle 2,256 eV/particle 2,349 eV/particle 2,452 eV/particle 2,547 eV/particle 2,814 eV/particle 2,901 eV/particle 2,994 eV/particle 3,081 eV/particle 3,266 eV/particle 3,363 eV/particle 3,550 eV/particle 3,640 eV/particle 8,326 eV/particle 8,565 eV/particle 8,831 eV/particle 9,077 eV/particle 9,739 eV/particle 10,023 eV/particle 10,376 eV/particle 10,616.42 eV/particle 43,485.364 eV/particle 44,561.47 eV/particle

enthalpy of vaporization	142 kJ/mol
enthalpy of fusion	7.66 kJ/mol
eantalpacht chaighdeánach an fhoirmithe	179.1 kJ/mol
leictreon

electron shell	2, 8, 18, 18, 8, 2

Fiúsleictreon	2 ⓘ

cumraíocht leictreon	[Xe] 6s²ⓘ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s²

Staid ocsaídiúcháine	1, 2
Leictridhiúltacht	5.211 eV/particle 0.1586786 0.89
Electrophilicity Index	0.7077543210759566 eV/particle
fundamental state of matter

phase of matter	Solid
gaseous state of matter
Boiling Point	2,118.15 K
Melting Point	1,000.15 K
critical pressure
critical temperature
triple point
appearance
dath	Silver #ffa500 #00c900 #00c900
appearance
Comhéifeacht athraonta
thermodynamic material property
Thermal Conductivity
Forbairt theirmeach	0.0000206 1/K
molar heat capacity	28.07 J/(mol K)
Specific Heat Capacity	0.204 J/(g⋅K)
Cóimheas saintoilleadh teasa
electrical properties
type	Conductor
electrical conductivity	2.9 MS/m
Friotachas	0.00000035 Ω*m
Forsheoltacht
Maighnéadas
type	paramagnetic
So-ghabhálacht mhaighnéadach (Mass)	0.0000000113 m³/Kg
So-ghabhálacht mhaighnéadach (Molar)	0.000000001552 m³/mol
So-ghabhálacht mhaighnéadach (Volume)	0.00003966
magnetic ordering
Teocht Curie
Néel temperature
struchtúr
Crystal Structure	Body Centered Cubic (BCC)
lattice constant	5.02 Å
Lattice Angles	π/2, π/2, π/2
airíonna meicniúla
Cruas	1.25 MPa
Modal toirte	9.6 GPa
modal fiartha	4.9 GPa
modal Young	13 GPa
Cóimheas Poisson
luas forleata fuaime	1,620 m/s
aicmiúchán
Category	Alkaline earth metals, Alkaline earth metals
CAS Group	IIA
IUPAC Group	IIA
Glawe Number	14
Mendeleev Number	9
Pettifor Number	14
Geochemical Class	alkaline earth metal
Goldschmidt classification	litophile

eile

Gas Basicity
polarizability	272 ± 10 a₀
C6 Dispersion Coefficient	5,540 a₀
allotrope
Crosghearradh	1.3
Neutron Mass Absorption	0.00027
Uimhir chandamach	1S0
space group	229 (Im_3m)

Isotopes of Barium

Stable Isotopes	5
Unstable Isotopes	37
Natural Isotopes	7

¹¹³Ba

Núicléónuimhir	113
neutron number	57
Mais Adamhach Choibhneasta	112.95737 ± 0.000322 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh
Paireacht	+

decay mode	intensity
p (proton emission)
α (α emission)

¹¹⁴Ba

Núicléónuimhir	114
neutron number	58
Mais Adamhach Choibhneasta	113.950718489 ± 0.000110227 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	460 ± 125 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1995
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%
β⁺ p (β⁺-delayed proton emission)	20%
α (α emission)	0.9%
12C	0.0034%

¹¹⁵Ba

Núicléónuimhir	115
neutron number	59
Mais Adamhach Choibhneasta	114.947482 ± 0.000215 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	450 ± 50 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1997
Paireacht	+

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

¹¹⁶Ba

Núicléónuimhir	116
neutron number	60
Mais Adamhach Choibhneasta	115.941621 ± 0.000215 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.3 ± 0.2 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1997
Paireacht	+

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

¹¹⁷Ba

Núicléónuimhir	117
neutron number	61
Mais Adamhach Choibhneasta	116.938316403 ± 0.000268749 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.75 ± 0.07 s
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1977
Paireacht	+

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

¹¹⁸Ba

Núicléónuimhir	118
neutron number	62
Mais Adamhach Choibhneasta	117.933226 ± 0.000215 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	5.2 ± 0.2 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1997
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹¹⁹Ba

Núicléónuimhir	119
neutron number	63
Mais Adamhach Choibhneasta	118.930659683 ± 0.000214997 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	5.4 ± 0.3 s
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1974
Paireacht	+

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

¹²⁰Ba

Núicléónuimhir	120
neutron number	64
Mais Adamhach Choibhneasta	119.926044997 ± 0.000322241 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	24 ± 2 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1974
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²¹Ba

Núicléónuimhir	121
neutron number	65
Mais Adamhach Choibhneasta	120.924052286 ± 0.000152333 Da
G-fhachtóir	0.264 ± 0.0004
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	29.7 ± 1.5 s
Guairne	5/2
nuclear quadrupole moment	1.89 ± 0.13
dáta fionnachtana nó tionscnaimh	1975
Paireacht	+

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

¹²²Ba

Núicléónuimhir	122
neutron number	66
Mais Adamhach Choibhneasta	121.919904 ± 0.00003 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	1.95 ± 0.15 m
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1974
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²³Ba

Núicléónuimhir	123
neutron number	67
Mais Adamhach Choibhneasta	122.91878106 ± 0.000013 Da
G-fhachtóir	-0.272 ± 0.0004
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.7 ± 0.4 m
Guairne	5/2
nuclear quadrupole moment	1.57 ± 0.13
dáta fionnachtana nó tionscnaimh	1962
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁴Ba

Núicléónuimhir	124
neutron number	68
Mais Adamhach Choibhneasta	123.915093627 ± 0.000013416 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	11 ± 0.5 m
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1967
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁵Ba

Núicléónuimhir	125
neutron number	69
Mais Adamhach Choibhneasta	124.91447184 ± 0.0000118 Da
G-fhachtóir	0.354 ± 0.024
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	3.3 ± 0.3 m
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1968
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁶Ba

Núicléónuimhir	126
neutron number	70
Mais Adamhach Choibhneasta	125.911250202 ± 0.000013416 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	100 ± 2 m
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1954
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁷Ba

Núicléónuimhir	127
neutron number	71
Mais Adamhach Choibhneasta	126.911091272 ± 0.000012192 Da
G-fhachtóir	0.1668 ± 0.002
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	12.7 ± 0.4 m
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1952
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹²⁸Ba

Núicléónuimhir	128
neutron number	72
Mais Adamhach Choibhneasta	127.908352446 ± 0.000001728 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.43 ± 0.05 d
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1950
Paireacht	+

decay mode	intensity
ϵ (electron capture)	100%

¹²⁹Ba

Núicléónuimhir	129
neutron number	73
Mais Adamhach Choibhneasta	128.908683409 ± 0.000011276 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.23 ± 0.11 h
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1950
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³⁰Ba

Núicléónuimhir	130
neutron number	74
Mais Adamhach Choibhneasta	129.906326002 ± 0.000000308 Da
G-fhachtóir	0
natural abundance	0.11 ± 0.01
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1936
Paireacht	+

decay mode	intensity
2β⁺ (double β⁺ decay)

¹³¹Ba

Núicléónuimhir	131
neutron number	75
Mais Adamhach Choibhneasta	130.906946315 ± 0.000000445 Da
G-fhachtóir	1.4166 ± 0.0004
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	11.52 ± 0.01 d
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1947
Paireacht	+

decay mode	intensity
β⁺ (β⁺ decay; β⁺ = ϵ + e⁺)	100%

¹³²Ba

Núicléónuimhir	132
neutron number	76
Mais Adamhach Choibhneasta	131.905061231 ± 0.00000113 Da
G-fhachtóir	0
natural abundance	0.1 ± 0.01
Meath radaighníomhach	☢️ radioactive element
leathré
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1936
Paireacht	+

decay mode	intensity
2β⁺ (double β⁺ decay)

¹³³Ba

Núicléónuimhir	133
neutron number	77
Mais Adamhach Choibhneasta	132.906007443 ± 0.000001065 Da
G-fhachtóir	1.5438 ± 0.0004
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	10.5379 ± 0.0016 y
Guairne	1/2
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1941
Paireacht	+

decay mode	intensity
ϵ (electron capture)	100%

¹³⁴Ba

Núicléónuimhir	134
neutron number	78
Mais Adamhach Choibhneasta	133.904508249 ± 0.000000269 Da
G-fhachtóir	0
natural abundance	2.42 ± 0.15
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1936
Paireacht	+

¹³⁵Ba

Núicléónuimhir	135
neutron number	79
Mais Adamhach Choibhneasta	134.905688447 ± 0.000000263 Da
G-fhachtóir	0.55873333333333 ± 0.00013333333333333
natural abundance	6.59 ± 0.1
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	3/2
nuclear quadrupole moment	0.153 ± 0.002
dáta fionnachtana nó tionscnaimh	1932
Paireacht	+

¹³⁶Ba

Núicléónuimhir	136
neutron number	80
Mais Adamhach Choibhneasta	135.9045758 ± 0.000000262 Da
G-fhachtóir	0
natural abundance	7.85 ± 0.24
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1932
Paireacht	+

¹³⁷Ba

Núicléónuimhir	137
neutron number	81
Mais Adamhach Choibhneasta	136.905827207 ± 0.000000266 Da
G-fhachtóir	0.625 ± 0.00013333333333333
natural abundance	11.23 ± 0.23
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	3/2
nuclear quadrupole moment	0.236 ± 0.003
dáta fionnachtana nó tionscnaimh	1932
Paireacht	+

¹³⁸Ba

Núicléónuimhir	138
neutron number	82
Mais Adamhach Choibhneasta	137.905247059 ± 0.000000267 Da
G-fhachtóir	0
natural abundance	71.7 ± 0.29
Meath radaighníomhach	stable isotope
leathré	Not Radioactive ☢️
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1925
Paireacht	+

¹³⁹Ba

Núicléónuimhir	139
neutron number	83
Mais Adamhach Choibhneasta	138.908841164 ± 0.000000271 Da
G-fhachtóir	-0.278 ± 0.0014285714285714
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	82.93 ± 0.09 m
Guairne	7/2
nuclear quadrupole moment	-0.552 ± 0.013
dáta fionnachtana nó tionscnaimh	1937
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁰Ba

Núicléónuimhir	140
neutron number	84
Mais Adamhach Choibhneasta	139.910608231 ± 0.00000848 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	12.7534 ± 0.0021 d
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1939
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴¹Ba

Núicléónuimhir	141
neutron number	85
Mais Adamhach Choibhneasta	140.914403653 ± 0.000005709 Da
G-fhachtóir	-0.22466666666667 ± 0.0033333333333333
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	18.27 ± 0.07 m
Guairne	3/2
nuclear quadrupole moment	0.437 ± 0.01
dáta fionnachtana nó tionscnaimh	1945
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴²Ba

Núicléónuimhir	142
neutron number	86
Mais Adamhach Choibhneasta	141.916432904 ± 0.000006355 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	10.6 ± 0.2 m
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1959
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴³Ba

Núicléónuimhir	143
neutron number	87
Mais Adamhach Choibhneasta	142.920625149 ± 0.000007253 Da
G-fhachtóir	0.1772 ± 0.0044
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	14.5 ± 0.3 s
Guairne	5/2
nuclear quadrupole moment	-0.85 ± 0.02
dáta fionnachtana nó tionscnaimh	1962
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁴Ba

Núicléónuimhir	144
neutron number	88
Mais Adamhach Choibhneasta	143.922954821 ± 0.000007661 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	11.73 ± 0.08 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1967
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁵Ba

Núicléónuimhir	145
neutron number	89
Mais Adamhach Choibhneasta	144.9275184 ± 0.0000091 Da
G-fhachtóir	-0.114 ± 0.0028
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	4.31 ± 0.16 s
Guairne	5/2
nuclear quadrupole moment	1.18 ± 0.02
dáta fionnachtana nó tionscnaimh	1974
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁶Ba

Núicléónuimhir	146
neutron number	90
Mais Adamhach Choibhneasta	145.9303632 ± 0.0000019 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	2.15 ± 0.04 s
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1970
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

¹⁴⁷Ba

Núicléónuimhir	147
neutron number	91
Mais Adamhach Choibhneasta	146.9353039 ± 0.0000212 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	893 ± 1 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1978
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.07%

¹⁴⁸Ba

Núicléónuimhir	148
neutron number	92
Mais Adamhach Choibhneasta	147.938223 ± 0.0000016 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	620 ± 5 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1979
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	0.4%

¹⁴⁹Ba

Núicléónuimhir	149
neutron number	93
Mais Adamhach Choibhneasta	148.943284 ± 0.0000027 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	349 ± 4 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1993
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	3.9%

¹⁵⁰Ba

Núicléónuimhir	150
neutron number	94
Mais Adamhach Choibhneasta	149.9464411 ± 0.0000061 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	258 ± 5 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	1994
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)	1%

¹⁵¹Ba

Núicléónuimhir	151
neutron number	95
Mais Adamhach Choibhneasta	150.951755 ± 0.000429 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	167 ± 5 ms
Guairne	3/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	1994
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵²Ba

Núicléónuimhir	152
neutron number	96
Mais Adamhach Choibhneasta	151.95533 ± 0.000429 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	139 ± 8 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2010
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)

¹⁵³Ba

Núicléónuimhir	153
neutron number	97
Mais Adamhach Choibhneasta	152.960848 ± 0.000429 Da
G-fhachtóir
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	113 ± 39 ms
Guairne	5/2
nuclear quadrupole moment
dáta fionnachtana nó tionscnaimh	2016
Paireacht	-

decay mode	intensity
β⁻ (β⁻ decay)	100%
β⁻ n (β⁻-delayed neutron emission)
2n (2-neutron emission)

¹⁵⁴Ba

Núicléónuimhir	154
neutron number	98
Mais Adamhach Choibhneasta	153.964659 ± 0.000537 Da
G-fhachtóir	0
natural abundance
Meath radaighníomhach	☢️ radioactive element
leathré	53 ± 48 ms
Guairne	0
nuclear quadrupole moment	0
dáta fionnachtana nó tionscnaimh	2017
Paireacht	+

decay mode	intensity
β⁻ (β⁻ decay)	100%

stair

fionnachtaí nó aireagóir	Sir Humphrey Davy
áit ar tháinig air/uirthi	England
dáta fionnachtana nó tionscnaimh	1808
Sanasaíocht	Greek: barys (heavy or dense).
pronunciation	BAR-i-em (Béarla)

foinse

Abundance
Abundance in Earth's crust	425 mg/kg
natural abundance (aigéan)	0.013 mg/L
natural abundance (corp an duine)	0.00003 %
natural abundance (dreigeoideach)	0.00027 %
natural abundance (An Ghrian)	0.000001 %
Abundance in Universe	0.000001 %

Nuclear Screening Constants

1	s	1.1139
2	p	4.1904
2	s	14.7532
3	d	13.9757
3	p	18.6836
3	s	18.8444
4	d	32.216
4	p	29.1968
4	s	28.08
5	p	41.1995
5	s	39.3805
6	s	48.425

Bairiam on ChemicalAid

Art & Architecture Thesaurus ID	300311585
Australian Educational Vocabulary ID	scot/2246
BNCF Thesaurus ID	31174
Biblioteca Nacional de España ID	XX540454
Bibliothèque nationale de France ID	12203013v
Brockhaus Enzyklopädie online ID	barium
CAB ID	18806
CA PROP 65 ID	barium
CPV Supplementary	AA32
ChEBI ID	32595
ChemSpider ID	4511436
Common Procurement Vocabulary	14765000
DSSTOX compound identifier	DTXCID80875617
DSSTox substance ID	DTXSID8023894
Den Store Danske ID	barium
DrugBank ID	12481
ECHA Substance Infocard ID	100.028.317
Encyclopædia Britannica Online ID	science/barium
Encyclopædia Universalis ID	baryum
Freebase ID	/m/025svml
French Vikidia ID	Baryum
Great Russian Encyclopedia Online ID	862577
HSDB ID	4481
ICSC ID	1052
ID GND	4140300-9
ID Gran Enciclopèdia Catalana	0006437
ID na topaice ar Quora	Barium
InChI	InChI=1S/Ba
InChIKey	DSAJWYNOEDNPEQ-UHFFFAOYSA-N
KBpedia ID	Barium
Krugosvet article	nauka_i_tehnika/himiya/BARI.html
LEM ID	LEM201001269
MeSH descriptor ID	D001464
NALT ID	6419
NDL Authority ID	00560541
NE.se ID	barium
NKCR AUT ID	ph163873
Namuwiki ID	바륨
National Library of Israel J9U ID	987007283148305171
National Library of Latvia ID	000302070
OmegaWiki Defined Meaning	310
OpenAlex ID	C542576722
PM20 ware ID	142042
PSH ID	5754
PubChem CID	5355457
RxNorm ID	1311067
Römpp online ID	RD-02-00240
Store medisinske leksikon ID	barium
Store norske leksikon ID	barium
Treccani ID	bario
UK Archival Thesaurus ID	f2/mt225/4347/7670
UK Parliament thesaurus ID	8545
UNII	24GP945V5T
USGS Thesaurus ID	1403
WordNet 3.1 Synset ID	14654176-n
YSO ID	39159
ZVG number	8420
aitheantóir LoC	sh85011853
uimhir CAS	7440-39-3

Bairiam (Ba)

Physical Property

Chemical Property

eile

Isotopes of Barium

113Ba

114Ba

115Ba

116Ba

117Ba

118Ba

119Ba

120Ba

121Ba

122Ba

123Ba

124Ba

125Ba

126Ba

127Ba

128Ba

129Ba

130Ba

131Ba

132Ba

133Ba

134Ba

135Ba

136Ba

137Ba

138Ba

139Ba

140Ba

141Ba

142Ba

143Ba

144Ba

145Ba

146Ba

147Ba

148Ba

149Ba

150Ba

151Ba

152Ba

153Ba

154Ba

stair

foinse

Nuclear Screening Constants

¹¹³Ba

¹¹⁴Ba

¹¹⁵Ba

¹¹⁶Ba

¹¹⁷Ba

¹¹⁸Ba

¹¹⁹Ba

¹²⁰Ba

¹²¹Ba

¹²²Ba

¹²³Ba

¹²⁴Ba

¹²⁵Ba

¹²⁶Ba

¹²⁷Ba

¹²⁸Ba

¹²⁹Ba

¹³⁰Ba

¹³¹Ba

¹³²Ba

¹³³Ba

¹³⁴Ba

¹³⁵Ba

¹³⁶Ba

¹³⁷Ba

¹³⁸Ba

¹³⁹Ba

¹⁴⁰Ba

¹⁴¹Ba

¹⁴²Ba

¹⁴³Ba

¹⁴⁴Ba

¹⁴⁵Ba

¹⁴⁶Ba

¹⁴⁷Ba

¹⁴⁸Ba

¹⁴⁹Ba

¹⁵⁰Ba

¹⁵¹Ba

¹⁵²Ba

¹⁵³Ba

¹⁵⁴Ba