Rutheni

Rutheni (Ru)

chemical element with symbol Ru and atomic number 44
Atomic Number44
Atomic Weight101.07
mass number102
Group8
Period5
Blockd
protoni44 p+
nyutroni58 n0
elektroni44 e-
Animated Bohr model of Ru (Rutheni)

Physical Property

Atomic Radius
130 pm
molar volume
Covalent Radius
125 pm
Metallic Radius
125 pm
ionic radius
68 pm
Crystal Radius
82 pm
Van der Waals radius
213 pm
msongamano
12.1 g/cm³
Atomic Radii Of The Elements: Rutheni0102030405060708090100110120130140150160170180190200210220pmAtomic RadiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

nishati
proton affinity
774 kJ/mol
electron affinity
ionization energy
ionization energy of Ru (Rutheni)
enthalpy of vaporization
enthalpy of fusion
25.5 kJ/mol
standard enthalpy of formation
650.6 kJ/mol
elektroni
Mzingo elektroni2, 8, 18, 15, 1
Bohr model: Ru (Rutheni)
valence electron1
Lewis structure: Ru (Rutheni)
electron configuration[Kr] 4d7 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d7 5s1
Enhanced Bohr model of Ru (Rutheni)
Orbital Diagram of Ru (Rutheni)
oxidation number-4, -2, 0, 1, 2, 3, 4, 5, 6, 7, 8
electronegativity
2.2
Electrophilicity Index
1.4011669093178039 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
4,420.15 K
Melting Point
2,606.15 K
critical pressure
critical temperature
Kiwango utatu
appearance
Rangi
Silver
appearancesilvery white metallic
refractive index
thermodynamic material property
Thermal Conductivity
thermal expansion
0.0000064 1/K
molar heat capacity
24.06 J/(mol K)
Specific Heat Capacity
0.238 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
electrical conductivity
14 MS/m
electrical resistivity
0.00000007000000000002 m Ω
superconductivity
0.49 K
Uga sumaku
typeparamagnetic
magnetic susceptibility (Mass)
0.00000000542 m³/Kg
magnetic susceptibility (Molar)
0.000000000548 m³/mol
magnetic susceptibility (Volume)
0.000067
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureSimple Hexagonal (HEX)
lattice constant
2.7 Å
Lattice Anglesπ/2, π/2, 2 π/3
mechanical property
hardness
6.5 MPa
bulk modulus
220 GPa
shear modulus
173 GPa
Young's modulus
447 GPa
Poisson's ratio
0.3
speed of sound
5,970 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number61
Mendeleev Number60
Pettifor Number63
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

other

Gas Basicity
751.4 kJ/mol
polarizability
72 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
2.6
Neutron Mass Absorption
0.0009
quantum number5F5
space group194 (P63/mmc)

Isotopes of Ruthenium

Stable Isotopes5
Unstable Isotopes36
Natural Isotopes7
Isotopic Composition10231.55%10231.55%10418.62%10418.62%10117.06%10117.06%9912.76%9912.76%10012.60%10012.60%965.54%965.54%981.87%981.87%

85Ru

mass number85
neutron number41
relative atomic mass
84.967117 ± 0.000537 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin3/2
nuclear quadrupole moment
Uvumbuzi2013
parity-

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)
p (proton emission)

86Ru

mass number86
neutron number42
relative atomic mass
85.957305 ± 0.000429 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin0
nuclear quadrupole moment
0
Uvumbuzi2013
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

87Ru

mass number87
neutron number43
relative atomic mass
86.950907 ± 0.000429 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin1/2
nuclear quadrupole moment
0
Uvumbuzi1995
parity-

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)
β+ p (β+-delayed proton emission)

88Ru

mass number88
neutron number44
relative atomic mass
87.941664 ± 0.000322 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
1.5 ± 0.3 s
spin0
nuclear quadrupole moment
0
Uvumbuzi1994
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)3.6%

89Ru

mass number89
neutron number45
relative atomic mass
88.937337849 ± 0.000026 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
1.32 ± 0.03 s
spin9/2
nuclear quadrupole moment
Uvumbuzi1992
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)3.1%

90Ru

mass number90
neutron number46
relative atomic mass
89.930344378 ± 0.000004004 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
11.7 ± 0.9 s
spin0
nuclear quadrupole moment
0
Uvumbuzi1991
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

91Ru

mass number91
neutron number47
relative atomic mass
90.92674153 ± 0.000002384 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
8 ± 0.4 s
spin9/2
nuclear quadrupole moment
Uvumbuzi1983
parity+

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

92Ru

mass number92
neutron number48
relative atomic mass
91.920234373 ± 0.000002917 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
3.65 ± 0.05 m
spin0
nuclear quadrupole moment
0
Uvumbuzi1971
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

93Ru

mass number93
neutron number49
relative atomic mass
92.917104442 ± 0.000002216 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
59.7 ± 0.6 s
spin9/2
nuclear quadrupole moment
Uvumbuzi1972
parity

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

94Ru

mass number94
neutron number50
relative atomic mass
93.91134286 ± 0.000003374 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
51.8 ± 0.6 m
spin0
nuclear quadrupole moment
0
Uvumbuzi1952
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

95Ru

mass number95
neutron number51
relative atomic mass
94.910404415 ± 0.0000102 Da
g-factor
0.3444 ± 0.0028
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
1.607 ± 0.004 h
spin5/2
nuclear quadrupole moment
Uvumbuzi1948
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

96Ru

mass number96
neutron number52
relative atomic mass
95.90758891 ± 0.000000182 Da
g-factor
0
natural abundance
5.54 ± 0.14
Unururifu☢️ radioactive element
Nusumaisha
spin0
nuclear quadrupole moment
0
Uvumbuzi1931
parity+

hali ya kuozaintensity
+ (double β+ decay)

97Ru

mass number97
neutron number53
relative atomic mass
96.907545776 ± 0.000002965 Da
g-factor
0.3148 ± 0.0032
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
2.837 ± 0.0014 d
spin5/2
nuclear quadrupole moment
Uvumbuzi1946
parity+

hali ya kuozaintensity
β+ (β+ decay; β+ = ϵ + e+)100%

98Ru

mass number98
neutron number54
relative atomic mass
97.905286709 ± 0.000006937 Da
g-factor
0
natural abundance
1.87 ± 0.03
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
Uvumbuzi1944
parity+

99Ru

mass number99
neutron number55
relative atomic mass
98.905930284 ± 0.000000368 Da
g-factor
-0.2564 ± 0.002
natural abundance
12.76 ± 0.14
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
0.079 ± 0.004
Uvumbuzi1931
parity+

100Ru

mass number100
neutron number56
relative atomic mass
99.90421046 ± 0.000000367 Da
g-factor
0
natural abundance
12.6 ± 0.07
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
Uvumbuzi1931
parity+

101Ru

mass number101
neutron number57
relative atomic mass
100.905573086 ± 0.000000443 Da
g-factor
-0.2872 ± 0.0024
natural abundance
17.06 ± 0.02
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin5/2
nuclear quadrupole moment
0.46 ± 0.02
Uvumbuzi1931
parity+

102Ru

mass number102
neutron number58
relative atomic mass
101.904340312 ± 0.000000446 Da
g-factor
0
natural abundance
31.55 ± 0.14
Unururifustable isotope
NusumaishaNot Radioactive ☢️
spin0
nuclear quadrupole moment
0
Uvumbuzi1931
parity+

103Ru

mass number103
neutron number59
relative atomic mass
102.906314846 ± 0.000000473 Da
g-factor
0.13733333333333 ± 0.002
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
39.245 ± 0.008 d
spin3/2
nuclear quadrupole moment
0.62 ± 0.02
Uvumbuzi1945
parity+

hali ya kuozaintensity
β (β decay)100%

104Ru

mass number104
neutron number60
relative atomic mass
103.905425312 ± 0.000002682 Da
g-factor
0
natural abundance
18.62 ± 0.27
Unururifu☢️ radioactive element
Nusumaisha
spin0
nuclear quadrupole moment
0
Uvumbuzi1931
parity+

hali ya kuozaintensity
(double β decay)

105Ru

mass number105
neutron number61
relative atomic mass
104.907745478 ± 0.000002683 Da
g-factor
0.2 ± 0.13333333333333
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
4.439 ± 0.011 h
spin3/2
nuclear quadrupole moment
Uvumbuzi1945
parity+

hali ya kuozaintensity
β (β decay)100%

106Ru

mass number106
neutron number62
relative atomic mass
105.907328181 ± 0.000005787 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
371.8 ± 1.8 d
spin0
nuclear quadrupole moment
0
Uvumbuzi1948
parity+

hali ya kuozaintensity
β (β decay)100%

107Ru

mass number107
neutron number63
relative atomic mass
106.909969837 ± 0.00000931 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
3.75 ± 0.05 m
spin5/2
nuclear quadrupole moment
Uvumbuzi1951
parity

hali ya kuozaintensity
β (β decay)100%

108Ru

mass number108
neutron number64
relative atomic mass
107.910185793 ± 0.000009318 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
4.55 ± 0.05 m
spin0
nuclear quadrupole moment
0
Uvumbuzi1955
parity+

hali ya kuozaintensity
β (β decay)100%

109Ru

mass number109
neutron number65
relative atomic mass
108.913323707 ± 0.000009612 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
34.4 ± 0.2 s
spin5/2
nuclear quadrupole moment
Uvumbuzi1967
parity+

hali ya kuozaintensity
β (β decay)100%

110Ru

mass number110
neutron number66
relative atomic mass
109.914038501 ± 0.00000958 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
12.04 ± 0.17 s
spin0
nuclear quadrupole moment
0
Uvumbuzi1970
parity+

hali ya kuozaintensity
β (β decay)100%

111Ru

mass number111
neutron number67
relative atomic mass
110.917567566 ± 0.000010394 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
2.12 ± 0.07 s
spin5/2
nuclear quadrupole moment
Uvumbuzi1971
parity+

hali ya kuozaintensity
β (β decay)100%

112Ru

mass number112
neutron number68
relative atomic mass
111.918806922 ± 0.000010305 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
1.75 ± 0.07 s
spin0
nuclear quadrupole moment
0
Uvumbuzi1970
parity+

hali ya kuozaintensity
β (β decay)100%

113Ru

mass number113
neutron number69
relative atomic mass
112.922846729 ± 0.000041097 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
800 ± 50 ms
spin1/2
nuclear quadrupole moment
0
Uvumbuzi1988
parity+

hali ya kuozaintensity
β (β decay)100%

114Ru

mass number114
neutron number70
relative atomic mass
113.92461443 ± 0.000003817 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
540 ± 30 ms
spin0
nuclear quadrupole moment
0
Uvumbuzi1991
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

115Ru

mass number115
neutron number71
relative atomic mass
114.929033049 ± 0.000027016 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
318 ± 19 ms
spin1/2
nuclear quadrupole moment
0
Uvumbuzi1992
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)

116Ru

mass number116
neutron number72
relative atomic mass
115.931219191 ± 0.000004 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
204 ± 6 ms
spin0
nuclear quadrupole moment
0
Uvumbuzi1994
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)

117Ru

mass number117
neutron number73
relative atomic mass
116.936135 ± 0.000465 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
151 ± 3 ms
spin3/2
nuclear quadrupole moment
Uvumbuzi1994
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)

118Ru

mass number118
neutron number74
relative atomic mass
117.938808 ± 0.000215 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
99 ± 3 ms
spin0
nuclear quadrupole moment
0
Uvumbuzi1994
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)

119Ru

mass number119
neutron number75
relative atomic mass
118.94409 ± 0.000322 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
69.5 ± 2 ms
spin3/2
nuclear quadrupole moment
Uvumbuzi1997
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

120Ru

mass number120
neutron number76
relative atomic mass
119.946623 ± 0.000429 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
45 ± 2 ms
spin0
nuclear quadrupole moment
0
Uvumbuzi2010
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)

121Ru

mass number121
neutron number77
relative atomic mass
120.952098 ± 0.000429 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
29 ± 2 ms
spin3/2
nuclear quadrupole moment
Uvumbuzi2010
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

122Ru

mass number122
neutron number78
relative atomic mass
121.955147 ± 0.000537 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
25 ± 1 ms
spin0
nuclear quadrupole moment
0
Uvumbuzi2010
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

123Ru

mass number123
neutron number79
relative atomic mass
122.960762 ± 0.000537 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
19 ± 2 ms
spin3/2
nuclear quadrupole moment
Uvumbuzi2010
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

124Ru

mass number124
neutron number80
relative atomic mass
123.96394 ± 0.000644 Da
g-factor
0
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
15 ± 3 ms
spin0
nuclear quadrupole moment
0
Uvumbuzi2010
parity+

hali ya kuozaintensity
β (β decay)100%
β n (β-delayed neutron emission)
2n (2-neutron emission)

125Ru

mass number125
neutron number81
relative atomic mass
124.969544 ± 0.000322 Da
g-factor
natural abundance
Unururifu☢️ radioactive element
Nusumaisha
spin3/2
nuclear quadrupole moment
Uvumbuzi2018
parity+

hali ya kuozaintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Ruthenium a half bar

historia

mgunduzi au mvumbuziKarl Klaus
location of discoveryRussia
Uvumbuzi1844
EtimolojiaLatin: Ruthenia (Russia).
pronunciationroo-THE-ni-em (Kiingereza)

source

Abundance
Abundance in Earth's crust
0.001 mg/kg
natural abundance (Bahari)
0.0000007 mg/L
natural abundance (Mwili)
natural abundance (Kimondo)
0.000081 %
natural abundance (Jua)
0.0000005 %
Abundance in Universe
0.0000004 %

Nuclear Screening Constants

1s0.9077
2p4.0492
2s11.6202
3d14.6411
3p16.7789
3s16.3988
4d31.1872
4p27.5652
4s26.344
5s37.5155