Barium (Ba)

chemical element with symbol Ba and atomic number 56

Atomic Number	56
Atomic Weight	137.327
Massagetal	138

Group	2
Period	6
Block	s

proton	56 p⁺
neutron	82 n⁰
elektron	56 e^-

Physical Property

Atoomradius	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
Ioonradius	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
density	3,62 g/cm³ 3 338 kg/m³

Chemical Property

energie

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

Verdampingswarmte	142 kJ/mol
smeltingswarmte	7,66 kJ/mol
Vormingsentalpie	179,1 kJ/mol
elektron

Elektronskil	2, 8, 18, 18, 8, 2

Valenselektrone	2 ⓘ

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

Oksidasietoestand	1, 2
Elektronegatiwiteit	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
kleur	Silver #ffa500 #00c900 #00c900
appearance
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion	0,0000206 1/K
molar heat capacity	28,07 J/(mol K)
Specific Heat Capacity	0,204 J/(g⋅K)
heat capacity ratio
electrical properties
type	Conductor
Geleidingsvermoë	2,9 MS/m
Elektriese resistiwiteit	0,00000035 Ω*m
superconductivity
Magnetisme
type	paramagnetic
magnetic susceptibility (Mass)	0,0000000113 m³/Kg
magnetic susceptibility (Molar)	0,000000001552 m³/mol
magnetic susceptibility (Volume)	0,00003966
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal Structure	Body Centered Cubic (BCC)
lattice constant	5,02 Å
Lattice Angles	π/2, π/2, π/2
mechanical property
hardness	1,25 MPa
Massamodulus	9,6 GPa
Skuifmodulus	4,9 GPa
Young se modulus	13 GPa
Poisson se verhouding
Spoed van klank	1 620 m/s
classification
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

other

Gas Basicity
polarizability	272 ± 10 a₀
C6 Dispersion Coefficient	5 540 a₀
allotrope
Neutron cross section	1,3
Neutron Mass Absorption	0,00027
quantum number	1S0
Ruimtegroep	229 (Im_3m)

Isotopes of Barium

Stable Isotopes	5
Unstable Isotopes	37
Natural Isotopes	7

¹¹³Ba

Massagetal	113
neutron number	57
Relative Atomic Mass	112,95737 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum
parity	+

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

¹¹⁴Ba

Massagetal	114
neutron number	58
Relative Atomic Mass	113,950718489 ± 0,000110227 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	460 ± 125 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1995
parity	+

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

Massagetal	115
neutron number	59
Relative Atomic Mass	114,947482 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	450 ± 50 ms
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1997
parity	+

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

¹¹⁶Ba

Massagetal	116
neutron number	60
Relative Atomic Mass	115,941621 ± 0,000215 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,3 ± 0,2 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1997
parity	+

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

¹¹⁷Ba

Massagetal	117
neutron number	61
Relative Atomic Mass	116,938316403 ± 0,000268749 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,75 ± 0,07 s
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1977
parity	+

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

Massagetal	118
neutron number	62
Relative Atomic Mass	117,933226 ± 0,000215 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	5,2 ± 0,2 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1997
parity	+

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

¹¹⁹Ba

Massagetal	119
neutron number	63
Relative Atomic Mass	118,930659683 ± 0,000214997 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	5,4 ± 0,3 s
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1974
parity	+

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

¹²⁰Ba

Massagetal	120
neutron number	64
Relative Atomic Mass	119,926044997 ± 0,000322241 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	24 ± 2 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1974
parity	+

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

¹²¹Ba

Massagetal	121
neutron number	65
Relative Atomic Mass	120,924052286 ± 0,000152333 Da
g-factor	0,264 ± 0,0004
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	29,7 ± 1,5 s
spin	5/2
nuclear quadrupole moment	1,89 ± 0,13
ontdekkingsdatum	1975
parity	+

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

¹²²Ba

Massagetal	122
neutron number	66
Relative Atomic Mass	121,919904 ± 0,00003 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	1,95 ± 0,15 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1974
parity	+

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

¹²³Ba

Massagetal	123
neutron number	67
Relative Atomic Mass	122,91878106 ± 0,000013 Da
g-factor	-0,272 ± 0,0004
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,7 ± 0,4 m
spin	5/2
nuclear quadrupole moment	1,57 ± 0,13
ontdekkingsdatum	1962
parity	+

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

¹²⁴Ba

Massagetal	124
neutron number	68
Relative Atomic Mass	123,915093627 ± 0,000013416 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	11 ± 0,5 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1967
parity	+

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

¹²⁵Ba

Massagetal	125
neutron number	69
Relative Atomic Mass	124,91447184 ± 0,0000118 Da
g-factor	0,354 ± 0,024
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	3,3 ± 0,3 m
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1968
parity	+

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

¹²⁶Ba

Massagetal	126
neutron number	70
Relative Atomic Mass	125,911250202 ± 0,000013416 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	100 ± 2 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1954
parity	+

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

¹²⁷Ba

Massagetal	127
neutron number	71
Relative Atomic Mass	126,911091272 ± 0,000012192 Da
g-factor	0,1668 ± 0,002
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	12,7 ± 0,4 m
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1952
parity	+

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

¹²⁸Ba

Massagetal	128
neutron number	72
Relative Atomic Mass	127,908352446 ± 0,000001728 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,43 ± 0,05 d
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1950
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹²⁹Ba

Massagetal	129
neutron number	73
Relative Atomic Mass	128,908683409 ± 0,000011276 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,23 ± 0,11 h
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1950
parity	+

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

¹³⁰Ba

Massagetal	130
neutron number	74
Relative Atomic Mass	129,906326002 ± 0,000000308 Da
g-factor	0
natural abundance	0,11 ± 0,01
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1936
parity	+

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

¹³¹Ba

Massagetal	131
neutron number	75
Relative Atomic Mass	130,906946315 ± 0,000000445 Da
g-factor	1,4166 ± 0,0004
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	11,52 ± 0,01 d
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1947
parity	+

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

¹³²Ba

Massagetal	132
neutron number	76
Relative Atomic Mass	131,905061231 ± 0,00000113 Da
g-factor	0
natural abundance	0,1 ± 0,01
radioaktiwiteit	☢️ radioactive element
Halfleeftyd
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1936
parity	+

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

¹³³Ba

Massagetal	133
neutron number	77
Relative Atomic Mass	132,906007443 ± 0,000001065 Da
g-factor	1,5438 ± 0,0004
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	10,5379 ± 0,0016 y
spin	1/2
nuclear quadrupole moment	0
ontdekkingsdatum	1941
parity	+

decay mode	intensity
ϵ (electron capture)	100%

¹³⁴Ba

Massagetal	134
neutron number	78
Relative Atomic Mass	133,904508249 ± 0,000000269 Da
g-factor	0
natural abundance	2,42 ± 0,15
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1936
parity	+

¹³⁵Ba

Massagetal	135
neutron number	79
Relative Atomic Mass	134,905688447 ± 0,000000263 Da
g-factor	0,55873333333333 ± 0,00013333333333333
natural abundance	6,59 ± 0,1
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,153 ± 0,002
ontdekkingsdatum	1932
parity	+

¹³⁶Ba

Massagetal	136
neutron number	80
Relative Atomic Mass	135,9045758 ± 0,000000262 Da
g-factor	0
natural abundance	7,85 ± 0,24
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1932
parity	+

¹³⁷Ba

Massagetal	137
neutron number	81
Relative Atomic Mass	136,905827207 ± 0,000000266 Da
g-factor	0,625 ± 0,00013333333333333
natural abundance	11,23 ± 0,23
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	3/2
nuclear quadrupole moment	0,236 ± 0,003
ontdekkingsdatum	1932
parity	+

¹³⁸Ba

Massagetal	138
neutron number	82
Relative Atomic Mass	137,905247059 ± 0,000000267 Da
g-factor	0
natural abundance	71,7 ± 0,29
radioaktiwiteit	Stabiele isotoop
Halfleeftyd	Not Radioactive ☢️
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1925
parity	+

¹³⁹Ba

Massagetal	139
neutron number	83
Relative Atomic Mass	138,908841164 ± 0,000000271 Da
g-factor	-0,278 ± 0,0014285714285714
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	82,93 ± 0,09 m
spin	7/2
nuclear quadrupole moment	-0,552 ± 0,013
ontdekkingsdatum	1937
parity	-

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

¹⁴⁰Ba

Massagetal	140
neutron number	84
Relative Atomic Mass	139,910608231 ± 0,00000848 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	12,7534 ± 0,0021 d
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1939
parity	+

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

¹⁴¹Ba

Massagetal	141
neutron number	85
Relative Atomic Mass	140,914403653 ± 0,000005709 Da
g-factor	-0,22466666666667 ± 0,0033333333333333
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	18,27 ± 0,07 m
spin	3/2
nuclear quadrupole moment	0,437 ± 0,01
ontdekkingsdatum	1945
parity	-

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

¹⁴²Ba

Massagetal	142
neutron number	86
Relative Atomic Mass	141,916432904 ± 0,000006355 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	10,6 ± 0,2 m
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1959
parity	+

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

¹⁴³Ba

Massagetal	143
neutron number	87
Relative Atomic Mass	142,920625149 ± 0,000007253 Da
g-factor	0,1772 ± 0,0044
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	14,5 ± 0,3 s
spin	5/2
nuclear quadrupole moment	-0,85 ± 0,02
ontdekkingsdatum	1962
parity	-

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

¹⁴⁴Ba

Massagetal	144
neutron number	88
Relative Atomic Mass	143,922954821 ± 0,000007661 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	11,73 ± 0,08 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1967
parity	+

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

¹⁴⁵Ba

Massagetal	145
neutron number	89
Relative Atomic Mass	144,9275184 ± 0,0000091 Da
g-factor	-0,114 ± 0,0028
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	4,31 ± 0,16 s
spin	5/2
nuclear quadrupole moment	1,18 ± 0,02
ontdekkingsdatum	1974
parity	-

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

¹⁴⁶Ba

Massagetal	146
neutron number	90
Relative Atomic Mass	145,9303632 ± 0,0000019 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	2,15 ± 0,04 s
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1970
parity	+

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

¹⁴⁷Ba

Massagetal	147
neutron number	91
Relative Atomic Mass	146,9353039 ± 0,0000212 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	893 ± 1 ms
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	1978
parity	-

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

¹⁴⁸Ba

Massagetal	148
neutron number	92
Relative Atomic Mass	147,938223 ± 0,0000016 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	620 ± 5 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1979
parity	+

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

¹⁴⁹Ba

Massagetal	149
neutron number	93
Relative Atomic Mass	148,943284 ± 0,0000027 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	349 ± 4 ms
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1993
parity	-

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

¹⁵⁰Ba

Massagetal	150
neutron number	94
Relative Atomic Mass	149,9464411 ± 0,0000061 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	258 ± 5 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	1994
parity	+

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

¹⁵¹Ba

Massagetal	151
neutron number	95
Relative Atomic Mass	150,951755 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	167 ± 5 ms
spin	3/2
nuclear quadrupole moment
ontdekkingsdatum	1994
parity	-

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

¹⁵²Ba

Massagetal	152
neutron number	96
Relative Atomic Mass	151,95533 ± 0,000429 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	139 ± 8 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2010
parity	+

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

¹⁵³Ba

Massagetal	153
neutron number	97
Relative Atomic Mass	152,960848 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	113 ± 39 ms
spin	5/2
nuclear quadrupole moment
ontdekkingsdatum	2016
parity	-

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

¹⁵⁴Ba

Massagetal	154
neutron number	98
Relative Atomic Mass	153,964659 ± 0,000537 Da
g-factor	0
natural abundance
radioaktiwiteit	☢️ radioactive element
Halfleeftyd	53 ± 48 ms
spin	0
nuclear quadrupole moment	0
ontdekkingsdatum	2017
parity	+

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

geskiedenis

Ontdek deur	Sir Humphrey Davy
ligging van ontdekking	England
ontdekkingsdatum	1808
etimologie	Greek: barys (heavy or dense).
uitspraak	BAR-i-em (Engels)

source

Abundance
Abundance in Earth's crust	425 mg/kg
natural abundance (oseaan)	0,013 mg/L
natural abundance (human body)	0,00003 %
natural abundance (Meteoroïde)	0,00027 %
natural abundance (Son)	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

Barium on ChemicalAid

Art & Architecture Thesaurus ID	300311585
Australian Educational Vocabulary ID	scot/2246
BNCF	31174
BNF-kode	12203013v
Biblioteca Nacional de España ID	XX540454
Brockhaus Enzyklopädie online ID	barium
CAB ID	18806
CA PROP 65 ID	barium
CAS Registry Number	7440-39-3
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-kode	/m/025svml
French Vikidia ID	Baryum
GND ID	4140300-9
Gran Enciclopèdia Catalana ID	0006437
Great Russian Encyclopedia Online ID	862577
HSDB ID	4481
ICSC ID	1052
InChI	InChI=1S/Ba
InChIKey	DSAJWYNOEDNPEQ-UHFFFAOYSA-N
KBpedia ID	Barium
Krugosvet article	nauka_i_tehnika/himiya/BARI.html
LCCN	sh85011853
LEM ID	LEM201001269
MeSH descriptor ID	D001464
NALT ID	6419
NDL-kode	00560541
NE.se ID	barium
NKC-kode	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
Quora topic ID	Barium
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

Barium (Ba)

Physical Property

Chemical Property

other

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

geskiedenis

source

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