Рубидий

Рубидий (Rb)

chemical element with symbol Rb and atomic number 37
Atomic Number37
Atomic Weight85.4678
mass number85
Group1
Period5
Blocks
Протон37 p+
Нейтрон48 n0
Электрон37 e-
Animated Bohr model of Rb (Рубидий)

Physical Property

Атомдук Радиус
molar volume
covalent radius
Metallic Radius
ionic radius
Crystal Radius
Van der Waals radius
density
Atomic Radii Of The Elements: Рубидий0102030405060708090100110120130140150160170180190200210220230240250260270280290300310pmАтомдук РадиусCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

энергия
proton affinity
electron affinity
ionization energy
ionization energy of Rb (Рубидий)
enthalpy of vaporization
enthalpy of fusion
standard enthalpy of formation
Электрон
electron shell2, 8, 18, 8, 1
Bohr model: Rb (Рубидий)
valence electron1
Lewis structure: Rb (Рубидий)
electron configuration[Kr] 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1
Enhanced Bohr model of Rb (Рубидий)
Orbital Diagram of Rb (Рубидий)
oxidation number-1, 1
electronegativity
0.82
Electrophilicity Index
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
Melting Point
critical pressure
critical temperature
triple point
appearance
Түс –
Silver
appearancegrey white
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
molar heat capacity
Specific Heat Capacity
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
electrical resistivity
superconductivity
Магнетизм
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000026 m³/Kg
magnetic susceptibility (Molar)
0,000000000222 m³/mol
magnetic susceptibility (Volume)
0,00000398
magnetic ordering
Curie temperature
Néel temperature
түзүм
Crystal StructureBody Centered Cubic (BCC)
lattice constant
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
bulk modulus
shear modulus
Young's modulus
Poisson's ratio
speed of sound
classification
CategoryAlkali metals, Alkali metals
CAS GroupIA
IUPAC GroupIA
Glawe Number9
Mendeleev Number4
Pettifor Number9
Geochemical Classalkali metal
Литофиль элементтериlitophile

other

Gas Basicity
polarizability
C6 Dispersion Coefficient
allotrope
Neutron cross section
0,38
Neutron Mass Absorption
0,0003
Кванттык сандар2S1/2
space group229 (Im_3m)

Isotopes of Rubidium

Stable Isotopes1
Unstable Isotopes33
Natural Isotopes2
Isotopic Composition8572.17%8572.17%8727.83%8727.83%

71Rb

mass number71
neutron number34
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин5/2
nuclear quadrupole moment
time of discovery or invention
parity-

decay modeintensity
p (proton emission)

72Rb

mass number72
neutron number35
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
103 ± 22 ns
Спин1
nuclear quadrupole moment
time of discovery or invention2017
parity+

decay modeintensity
p (proton emission)

73Rb

mass number73
neutron number36
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин3/2
nuclear quadrupole moment
time of discovery or invention1996
parity-

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

74Rb

mass number74
neutron number37
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
64,78 ± 0,03 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1977
parity+

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

75Rb

mass number75
neutron number38
Relative Atomic Mass
g-factor
0,386 ± 0,00066666666666667
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
19 ± 1,2 s
Спин3/2
nuclear quadrupole moment
0,81 ± 0,04
time of discovery or invention1975
parity-

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

76Rb

mass number76
neutron number39
Relative Atomic Mass
g-factor
-0,372552 ± 0,000011
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
36,5 ± 0,6 s
Спин1
nuclear quadrupole moment
0,41 ± 0,09
time of discovery or invention1969
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+α (β+-delayed α emission)3.8%

77Rb

mass number77
neutron number40
Relative Atomic Mass
g-factor
0,43622666666667 ± 0,000013333333333333
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
3,78 ± 0,04 m
Спин3/2
nuclear quadrupole moment
0,84 ± 0,17
time of discovery or invention1972
parity-

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

78Rb

mass number78
neutron number41
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
17,66 ± 0,03 m
Спин0
nuclear quadrupole moment
0
time of discovery or invention1968
parity+

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

79Rb

mass number79
neutron number42
Relative Atomic Mass
g-factor
1,34292 ± 0,00048
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
22,9 ± 0,5 m
Спин5/2
nuclear quadrupole moment
-0,12 ± 0,04
time of discovery or invention1957
parity+

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

80Rb

mass number80
neutron number43
Relative Atomic Mass
g-factor
-0,0833 ± 0,0007
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
33,4 ± 0,7 s
Спин1
nuclear quadrupole moment
0,42 ± 0,08
time of discovery or invention1961
parity+

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

81Rb

mass number81
neutron number44
Relative Atomic Mass
g-factor
1,3727333333333 ± 0,00093333333333333
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
4,572 ± 0,004 h
Спин3/2
nuclear quadrupole moment
0,48 ± 0,1
time of discovery or invention1949
parity-

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

82Rb

mass number82
neutron number45
Relative Atomic Mass
g-factor
0,554403 ± 0,000016
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
1,2575 ± 0,0002 m
Спин1
nuclear quadrupole moment
0,23 ± 0,1
time of discovery or invention1949
parity+

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

83Rb

mass number83
neutron number46
Relative Atomic Mass
g-factor
0,56984 ± 0,00032
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
86,2 ± 0,1 d
Спин5/2
nuclear quadrupole moment
0,24 ± 0,05
time of discovery or invention1950
parity-

decay modeintensity
ϵ (electron capture)100%

84Rb

mass number84
neutron number47
Relative Atomic Mass
g-factor
-0,6625 ± 0,001
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
32,82 ± 0,07 d
Спин2
nuclear quadrupole moment
-0,02 ± 0,04
time of discovery or invention1947
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)96.1%
β (β decay)3.9%

85Rb

mass number85
neutron number48
Relative Atomic Mass
g-factor
0,541224 ± 0,000016
natural abundance
72,17 ± 0,02
Радиоактивдүүлүкstable isotope
half-lifeNot Radioactive ☢️
Спин5/2
nuclear quadrupole moment
0,276 ± 0,001
time of discovery or invention1921
parity-

86Rb

mass number86
neutron number49
Relative Atomic Mass
g-factor
-0,8487 ± 0,0008
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
18,645 ± 0,008 d
Спин2
nuclear quadrupole moment
0,23 ± 0,06
time of discovery or invention1941
parity-

decay modeintensity
β (β decay)100%
ϵ (electron capture)0.0052%

87Rb

mass number87
neutron number50
Relative Atomic Mass
g-factor
1,8341933333333 ± 0,000053333333333333
natural abundance
27,83 ± 0,02
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
49,7 ± 0,3 Gy
Спин3/2
nuclear quadrupole moment
0,1335 ± 0,0005
time of discovery or invention1921
parity-

decay modeintensity
β (β decay)100%

88Rb

mass number88
neutron number51
Relative Atomic Mass
g-factor
0,253755 ± 0,00001
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
17,78 ± 0,03 m
Спин2
nuclear quadrupole moment
-0,01 ± 0,11
time of discovery or invention1939
parity-

decay modeintensity
β (β decay)100%

89Rb

mass number89
neutron number52
Relative Atomic Mass
g-factor
1,5887333333333 ± 0,00046666666666667
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
15,32 ± 0,1 m
Спин3/2
nuclear quadrupole moment
0,17 ± 0,03
time of discovery or invention1940
parity-

decay modeintensity
β (β decay)100%

90Rb

mass number90
neutron number53
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
158 ± 5 s
Спин0
nuclear quadrupole moment
0
time of discovery or invention1951
parity-

decay modeintensity
β (β decay)100%

91Rb

mass number91
neutron number54
Relative Atomic Mass
g-factor
1,4540666666667 ± 0,001
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
58,2 ± 0,3 s
Спин3/2
nuclear quadrupole moment
0,19 ± 0,05
time of discovery or invention1951
parity-

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

92Rb

mass number92
neutron number55
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
4,48 ± 0,03 s
Спин0
nuclear quadrupole moment
0
time of discovery or invention1960
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)0.0107%

93Rb

mass number93
neutron number56
Relative Atomic Mass
g-factor
0,56368 ± 0,00064
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
5,84 ± 0,02 s
Спин5/2
nuclear quadrupole moment
0,21 ± 0,06
time of discovery or invention1960
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)1.39%

94Rb

mass number94
neutron number57
Relative Atomic Mass
g-factor
0,49936666666667 ± 0,0006
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
2,702 ± 0,005 s
Спин3
nuclear quadrupole moment
0,2 ± 0,07
time of discovery or invention1961
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)10.3%

95Rb

mass number95
neutron number58
Relative Atomic Mass
g-factor
0,5332 ± 0,0012
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
377,7 ± 0,8 ms
Спин5/2
nuclear quadrupole moment
0,26 ± 0,09
time of discovery or invention1967
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)8.7%

96Rb

mass number96
neutron number59
Relative Atomic Mass
g-factor
0,73275 ± 0,00085
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
201,5 ± 0,9 ms
Спин2
nuclear quadrupole moment
0,3 ± 0,09
time of discovery or invention1967
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)13.7%
2n (2-neutron emission)

97Rb

mass number97
neutron number60
Relative Atomic Mass
g-factor
1,2266666666667 ± 0,0013333333333333
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
169,1 ± 0,6 ms
Спин3/2
nuclear quadrupole moment
0,7
time of discovery or invention1969
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)25.5%
2n (2-neutron emission)

98Rb

mass number98
neutron number61
Relative Atomic Mass
g-factor
0
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
115 ± 6 ms
Спин0
nuclear quadrupole moment
0
time of discovery or invention1971
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)14.3%
2n (2-neutron emission)0.054%

99Rb

mass number99
neutron number62
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
54 ± 4 ms
Спин3/2
nuclear quadrupole moment
time of discovery or invention1971
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)17.3%
2n (2-neutron emission)

100Rb

mass number100
neutron number63
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
51,3 ± 1,6 ms
Спин4
nuclear quadrupole moment
time of discovery or invention1978
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)5.6%
2n (2-neutron emission)0.15%

101Rb

mass number101
neutron number64
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
31,8 ± 3,3 ms
Спин3/2
nuclear quadrupole moment
time of discovery or invention1992
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)28%
2n (2-neutron emission)

102Rb

mass number102
neutron number65
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
37 ± 4 ms
Спин4
nuclear quadrupole moment
time of discovery or invention1995
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)65%
2n (2-neutron emission)

103Rb

mass number103
neutron number66
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
26 ± 11 ms
Спин3/2
nuclear quadrupole moment
time of discovery or invention2010
parity+

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

104Rb

mass number104
neutron number67
Relative Atomic Mass
g-factor
natural abundance
Радиоактивдүүлүк☢️ Радиоактивдүү элементтер —
half-life
Спин
nuclear quadrupole moment
time of discovery or invention2018
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
RbMetal.JPG

тарых

discoverer or inventorR. Bunsen, G. Kirchoff
location of discoveryGermany
time of discovery or invention1861
ЭтимологияLatin: rubidus (deep red); the color its salts impart to flames.
pronunciationroo-BID-i-em (англисче)

source

Abundance
Abundance in Earth's crust
natural abundance (Океан)
natural abundance (human body)
0,00046 %
natural abundance (meteoroid)
0,00032 %
natural abundance (Күн)
0,000003 %
Abundance in Universe
0,000001 %

Nuclear Screening Constants

1s0.7922
2p3.9612
2s9.8432
3d15.3208
3p15.6967
3s15.1573
4p26.1192
4s24.612
5s32.0155