Barij

Barij (Ba)

chemical element with symbol Ba and atomic number 56
Atomski broj56
Relativna atomska masa137.327
Maseni broj138
Skupina2
Perioda6
Bloks
proton56 p+
neutron82 n0
elektron56 e-
Animated Bohrov model atoma of Ba (Barij)

Physical Property

Atomski Radijus
215 pm
Molni volumen
Kovalentni Radijus
196 pm
Metallic Radius
198 pm
Ionski radijus
135 pm
Crystal Radius
149 pm
Van der Waals radius
268 pm
gustoća
3,62 g/cm³
Atomic Radii Of The Elements: Barij0102030405060708090100110120130140150160170180190200210220230240250260270pmAtomski RadijusKovalentni RadijusMetallic RadiusVan der Waals radius

Kemijsko Svojstvo

energija
proton affinity
Elektronski afinitet
0,14462 eV/particle
ionization energy
5,211664 eV/particle
ionization energy of Ba (Barij)
Toplina isparivanja
142 kJ/mol
toplina taljenja
7,66 kJ/mol
standard enthalpy of formation
179,1 kJ/mol
elektron
Elektronska ljuska2, 8, 18, 18, 8, 2
Bohrov model atoma: Ba (Barij)
valence electron2
Lewis structure: Ba (Barij)
electron configuration[Xe] 6s2
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2
Enhanced Bohrov model atoma of Ba (Barij)
Orbital Diagram of Ba (Barij)
Oksidacijski broj1, 2
Elektronegativnost
0.89
Electrophilicity Index
0,7077543210759566 eV/particle
fundamental state of matter
agregatno stanjeČvrsto
gaseous state of matter
Vrelište
2.118,15 K
Talište
1.000,15 K
critical pressure
critical temperature
Trojna točka
appearance
boja
Srebrna
appearance
Indeks prelamanja
thermodynamic material property
Toplinska vodljivost
Toplinsko istezanje
0,0000206 1/K
molar heat capacity
28,07 J/(mol K)
Specifični toplinski kapacitet
0,204 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
2,9 MS/m
Električna otpornost i provodnost
0,00000035 m Ω
Supravodljivost
Magnetizam
typeparamagnetic
Magnetna susceptibilnost (Mass)
0,0000000113 m³/Kg
Magnetna susceptibilnost (Molar)
0,000000001552 m³/mol
Magnetna susceptibilnost (Volume)
0,00003966
magnetic ordering
Curieva temperatura
Néel temperature
struktura
Kristalna strukturaKubna prostorno centrirana (BCC)
lattice constant
5,02 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
Tvrdoća
1,25 MPa
bulk modulus
9,6 GPa
shear modulus
4,9 GPa
Youngov modul elastičnosti
13 GPa
Poissonov omjer
brzina zvuka
1.620 m/s
classification
KategorijaZemnoalkalijski metali, Alkaline earth metals
CAS GroupIIA
IUPAC GroupIIA
Glawe Number14
Mendeleev Number9
Pettifor Number14
Geochemical Classalkaline earth metal
Goldschmidt classificationlitophile

other

Gas Basicity
polarizability
272 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Nuklearni udarni presjek
1,3
Neutron Mass Absorption
0,00027
Kvantni brojevi1S0
space group229 (Im_3m)

Isotopes of Barium

Stabilni izotopi5
Nestabilni izotopi37
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

Maseni broj113
neutron number57
Relativna atomska masa
112,95737 ± 0,000322 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma
Parnost+

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

114Ba

Maseni broj114
neutron number58
Relativna atomska masa
113,950718489 ± 0,000110227 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
460 ± 125 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1995
Parnost+

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

115Ba

Maseni broj115
neutron number59
Relativna atomska masa
114,947482 ± 0,000215 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
450 ± 50 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1997
Parnost+

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

116Ba

Maseni broj116
neutron number60
Relativna atomska masa
115,941621 ± 0,000215 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,3 ± 0,2 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1997
Parnost+

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

117Ba

Maseni broj117
neutron number61
Relativna atomska masa
116,938316403 ± 0,000268749 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,75 ± 0,07 s
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1977
Parnost+

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

Maseni broj118
neutron number62
Relativna atomska masa
117,933226 ± 0,000215 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,2 ± 0,2 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1997
Parnost+

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

119Ba

Maseni broj119
neutron number63
Relativna atomska masa
118,930659683 ± 0,000214997 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
5,4 ± 0,3 s
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1974
Parnost+

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

120Ba

Maseni broj120
neutron number64
Relativna atomska masa
119,926044997 ± 0,000322241 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
24 ± 2 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1974
Parnost+

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

121Ba

Maseni broj121
neutron number65
Relativna atomska masa
120,924052286 ± 0,000152333 Da
g-factor
0,264 ± 0,0004
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
29,7 ± 1,5 s
spin5/2
nuclear quadrupole moment
1,89 ± 0,13
vrijeme otkrića ili izuma1975
Parnost+

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

122Ba

Maseni broj122
neutron number66
Relativna atomska masa
121,919904 ± 0,00003 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
1,95 ± 0,15 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1974
Parnost+

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

123Ba

Maseni broj123
neutron number67
Relativna atomska masa
122,91878106 ± 0,000013 Da
g-factor
−0,272 ± 0,0004
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,7 ± 0,4 m
spin5/2
nuclear quadrupole moment
1,57 ± 0,13
vrijeme otkrića ili izuma1962
Parnost+

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

124Ba

Maseni broj124
neutron number68
Relativna atomska masa
123,915093627 ± 0,000013416 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11 ± 0,5 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1967
Parnost+

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

125Ba

Maseni broj125
neutron number69
Relativna atomska masa
124,91447184 ± 0,0000118 Da
g-factor
0,354 ± 0,024
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
3,3 ± 0,3 m
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1968
Parnost+

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

126Ba

Maseni broj126
neutron number70
Relativna atomska masa
125,911250202 ± 0,000013416 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
100 ± 2 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1954
Parnost+

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

127Ba

Maseni broj127
neutron number71
Relativna atomska masa
126,911091272 ± 0,000012192 Da
g-factor
0,1668 ± 0,002
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,7 ± 0,4 m
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1952
Parnost+

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

128Ba

Maseni broj128
neutron number72
Relativna atomska masa
127,908352446 ± 0,000001728 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,43 ± 0,05 d
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1950
Parnost+

decay modeintensity
ϵ (electron capture)100%

129Ba

Maseni broj129
neutron number73
Relativna atomska masa
128,908683409 ± 0,000011276 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,23 ± 0,11 h
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1950
Parnost+

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

130Ba

Maseni broj130
neutron number74
Relativna atomska masa
129,906326002 ± 0,000000308 Da
g-factor
0
natural abundance
0,11 ± 0,01
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1936
Parnost+

decay modeintensity
+ (double β+ decay)

131Ba

Maseni broj131
neutron number75
Relativna atomska masa
130,906946315 ± 0,000000445 Da
g-factor
1,4166 ± 0,0004
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,52 ± 0,01 d
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1947
Parnost+

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

132Ba

Maseni broj132
neutron number76
Relativna atomska masa
131,905061231 ± 0,00000113 Da
g-factor
0
natural abundance
0,1 ± 0,01
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1936
Parnost+

decay modeintensity
+ (double β+ decay)

133Ba

Maseni broj133
neutron number77
Relativna atomska masa
132,906007443 ± 0,000001065 Da
g-factor
1,5438 ± 0,0004
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,5379 ± 0,0016 y
spin1/2
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1941
Parnost+

decay modeintensity
ϵ (electron capture)100%

134Ba

Maseni broj134
neutron number78
Relativna atomska masa
133,904508249 ± 0,000000269 Da
g-factor
0
natural abundance
2,42 ± 0,15
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1936
Parnost+

135Ba

Maseni broj135
neutron number79
Relativna atomska masa
134,905688447 ± 0,000000263 Da
g-factor
0,55873333333333 ± 0,00013333333333333
natural abundance
6,59 ± 0,1
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,153 ± 0,002
vrijeme otkrića ili izuma1932
Parnost+

136Ba

Maseni broj136
neutron number80
Relativna atomska masa
135,9045758 ± 0,000000262 Da
g-factor
0
natural abundance
7,85 ± 0,24
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1932
Parnost+

137Ba

Maseni broj137
neutron number81
Relativna atomska masa
136,905827207 ± 0,000000266 Da
g-factor
0,625 ± 0,00013333333333333
natural abundance
11,23 ± 0,23
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin3/2
nuclear quadrupole moment
0,236 ± 0,003
vrijeme otkrića ili izuma1932
Parnost+

138Ba

Maseni broj138
neutron number82
Relativna atomska masa
137,905247059 ± 0,000000267 Da
g-factor
0
natural abundance
71,7 ± 0,29
radioaktivnoststable isotope
Vrijeme poluraspadaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1925
Parnost+

139Ba

Maseni broj139
neutron number83
Relativna atomska masa
138,908841164 ± 0,000000271 Da
g-factor
−0,278 ± 0,0014285714285714
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
82,93 ± 0,09 m
spin7/2
nuclear quadrupole moment
−0,552 ± 0,013
vrijeme otkrića ili izuma1937
Parnost-

decay modeintensity
β (β decay)100%

140Ba

Maseni broj140
neutron number84
Relativna atomska masa
139,910608231 ± 0,00000848 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
12,7534 ± 0,0021 d
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1939
Parnost+

decay modeintensity
β (β decay)100%

141Ba

Maseni broj141
neutron number85
Relativna atomska masa
140,914403653 ± 0,000005709 Da
g-factor
−0,22466666666667 ± 0,0033333333333333
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
18,27 ± 0,07 m
spin3/2
nuclear quadrupole moment
0,437 ± 0,01
vrijeme otkrića ili izuma1945
Parnost-

decay modeintensity
β (β decay)100%

142Ba

Maseni broj142
neutron number86
Relativna atomska masa
141,916432904 ± 0,000006355 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
10,6 ± 0,2 m
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1959
Parnost+

decay modeintensity
β (β decay)100%

143Ba

Maseni broj143
neutron number87
Relativna atomska masa
142,920625149 ± 0,000007253 Da
g-factor
0,1772 ± 0,0044
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
14,5 ± 0,3 s
spin5/2
nuclear quadrupole moment
−0,85 ± 0,02
vrijeme otkrića ili izuma1962
Parnost-

decay modeintensity
β (β decay)100%

144Ba

Maseni broj144
neutron number88
Relativna atomska masa
143,922954821 ± 0,000007661 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
11,73 ± 0,08 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1967
Parnost+

decay modeintensity
β (β decay)100%

145Ba

Maseni broj145
neutron number89
Relativna atomska masa
144,9275184 ± 0,0000091 Da
g-factor
−0,114 ± 0,0028
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
4,31 ± 0,16 s
spin5/2
nuclear quadrupole moment
1,18 ± 0,02
vrijeme otkrića ili izuma1974
Parnost-

decay modeintensity
β (β decay)100%

146Ba

Maseni broj146
neutron number90
Relativna atomska masa
145,9303632 ± 0,0000019 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
2,15 ± 0,04 s
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1970
Parnost+

decay modeintensity
β (β decay)100%

147Ba

Maseni broj147
neutron number91
Relativna atomska masa
146,9353039 ± 0,0000212 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
893 ± 1 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1978
Parnost-

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

148Ba

Maseni broj148
neutron number92
Relativna atomska masa
147,938223 ± 0,0000016 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
620 ± 5 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1979
Parnost+

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

149Ba

Maseni broj149
neutron number93
Relativna atomska masa
148,943284 ± 0,0000027 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
349 ± 4 ms
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1993
Parnost-

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

150Ba

Maseni broj150
neutron number94
Relativna atomska masa
149,9464411 ± 0,0000061 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
258 ± 5 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma1994
Parnost+

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

151Ba

Maseni broj151
neutron number95
Relativna atomska masa
150,951755 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
167 ± 5 ms
spin3/2
nuclear quadrupole moment
vrijeme otkrića ili izuma1994
Parnost-

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

152Ba

Maseni broj152
neutron number96
Relativna atomska masa
151,95533 ± 0,000429 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
139 ± 8 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2010
Parnost+

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

153Ba

Maseni broj153
neutron number97
Relativna atomska masa
152,960848 ± 0,000429 Da
g-factor
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
113 ± 39 ms
spin5/2
nuclear quadrupole moment
vrijeme otkrića ili izuma2016
Parnost-

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

154Ba

Maseni broj154
neutron number98
Relativna atomska masa
153,964659 ± 0,000537 Da
g-factor
0
natural abundance
radioaktivnost☢️ radioactive element
Vrijeme poluraspada
53 ± 48 ms
spin0
nuclear quadrupole moment
0
vrijeme otkrića ili izuma2017
Parnost+

decay modeintensity
β (β decay)100%
Barium 1

povijest

otkrio/izumioSir Humphrey Davy
location of discoveryEngland
vrijeme otkrića ili izuma1808
EtimologijaGreek: barys (heavy or dense).
pronunciationBAR-i-em (engleski)

source

Obilnost
Zastupljenost u Zemljinoj kori
425 mg/kg
natural abundance (ocean)
0,013 mg/L
natural abundance (tijelo)
0,00003 %
natural abundance (meteoroid)
0,00027 %
natural abundance (Sunce)
0,000001 %
Zastupljenost u svemiru
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