Rhodium

Rhodium (Rh)

chemical element with symbol Rh and atomic number 45
Atomic Number45
Atomic Weight102.9055
Massagetal103
Group9
Period5
Blockd
proton45 p+
neutron58 n0
elektron45 e-
Animated Bohr model of Rh (Rhodium)

Physical Property

Atoomradius
135 pm
molar volume
Covalent Radius
125 pm
Metallic Radius
125 pm
Ioonradius
66,5 pm
Crystal Radius
80,5 pm
Van der Waals radius
210 pm
density
12,4 g/cm³
Atomic Radii Of The Elements: Rhodium0153045607590105120135150165180195210pmAtoomradiusCovalent RadiusMetallic RadiusVan der Waals radius

Chemical Property

energie
proton affinity
768 kJ/mol
electron affinity
ionization energy
ionization energy of Rh (Rhodium)
Verdampingswarmte
494 kJ/mol
smeltingswarmte
21,8 kJ/mol
Vormingsentalpie
556 kJ/mol
elektron
Elektronskil2, 8, 18, 16, 1
Bohr model: Rh (Rhodium)
Valenselektrone1
Lewisteorie: Rh (Rhodium)
elektronkonfigurasie[Kr] 4d8 5s1
1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 4d8 5s1
Enhanced Bohr model of Rh (Rhodium)
Orbital Diagram of Rh (Rhodium)
Oksidasietoestand-3, -1, 0, 1, 2, 3, 4, 5, 6, 7
Elektronegatiwiteit
2.28
Electrophilicity Index
1,4609827901817496 eV/particle
fundamental state of matter
phase of matterSolid
gaseous state of matter
Boiling Point
3 968,15 K
Melting Point
2 236,15 K
critical pressure
critical temperature
triple point
appearance
kleur
Silver
appearancesilvery white metallic
Brekingsindeks
thermodynamic material property
Thermal Conductivity
thermal expansion
0,000008 1/K
molar heat capacity
24,98 J/(mol K)
Specific Heat Capacity
0,243 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
Geleidingsvermoë
23 MS/m
Elektriese resistiwiteit
0,00000004300000000003 m Ω
superconductivity
Magnetisme
typeparamagnetic
magnetic susceptibility (Mass)
0,0000000136 m³/Kg
magnetic susceptibility (Molar)
0,0000000014 m³/mol
magnetic susceptibility (Volume)
0,0001693
magnetic ordering
Curie temperature
Néel temperature
structure
Crystal StructureFace Centered Cubic (FCC)
lattice constant
3,8 Å
Lattice Anglesπ/2, π/2, π/2
mechanical property
hardness
6 MPa
Massamodulus
380 GPa
Skuifmodulus
150 GPa
Young se modulus
275 GPa
Poisson se verhouding
0,26
Spoed van klank
4 700 m/s
classification
CategoryTransition metals, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number63
Mendeleev Number64
Pettifor Number66
Geochemical Classnoble metal
Goldschmidt classificationsiderophile

other

Gas Basicity
745,4 kJ/mol
polarizability
66 ± 10 a₀
C6 Dispersion Coefficient
allotrope
Neutron cross section
145
Neutron Mass Absorption
0,063
quantum number4F9/2
Ruimtegroep225 (Fm_3m)

Isotopes of Rhodium

Stable Isotopes1
Unstable Isotopes40
Natural Isotopes1

88Rh

Massagetal88
neutron number43
relative atomic mass
87,960429 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum
parity

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

89Rh

Massagetal89
neutron number44
relative atomic mass
88,950992 ± 0,000387 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin9/2
nuclear quadrupole moment
ontdekkingsdatum
parity+

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

90Rh

Massagetal90
neutron number45
relative atomic mass
89,944569 ± 0,000215 Da
g-factor
0
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
29 ± 3 ms
spin0
nuclear quadrupole moment
0
ontdekkingsdatum1994
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.7%

91Rh

Massagetal91
neutron number46
relative atomic mass
90,937123 ± 0,00032 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,47 ± 0,22 s
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1994
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)1.3%

92Rh

Massagetal92
neutron number47
relative atomic mass
91,932367692 ± 0,0000047 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,61 ± 0,08 s
spin6
nuclear quadrupole moment
ontdekkingsdatum1994
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)2.05%

93Rh

Massagetal93
neutron number48
relative atomic mass
92,925912778 ± 0,000002821 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
13,9 ± 1,6 s
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1994
parity+

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

94Rh

Massagetal94
neutron number49
relative atomic mass
93,92173045 ± 0,000003627 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
70,6 ± 0,6 s
spin4
nuclear quadrupole moment
ontdekkingsdatum1979
parity+

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)1.8%

95Rh

Massagetal95
neutron number50
relative atomic mass
94,915897893 ± 0,000004171 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
5,02 ± 0,1 m
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1967
parity

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

96Rh

Massagetal96
neutron number51
relative atomic mass
95,914451705 ± 0,000010737 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
9,9 ± 0,1 m
spin6
nuclear quadrupole moment
ontdekkingsdatum1967
parity+

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

97Rh

Massagetal97
neutron number52
relative atomic mass
96,911327872 ± 0,000038071 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
30,7 ± 0,6 m
spin9/2
nuclear quadrupole moment
ontdekkingsdatum1955
parity+

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

98Rh

Massagetal98
neutron number53
relative atomic mass
97,910707734 ± 0,000012782 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
8,72 ± 0,12 m
spin2
nuclear quadrupole moment
ontdekkingsdatum1955
parity

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

99Rh

Massagetal99
neutron number54
relative atomic mass
98,908121241 ± 0,000020881 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
16,1 ± 0,2 d
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1952
parity-

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

100Rh

Massagetal100
neutron number55
relative atomic mass
99,908114147 ± 0,000019458 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
20,8 ± 0,1 h
spin1
nuclear quadrupole moment
ontdekkingsdatum1948
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)95.1%
e+ (positron emission)4.9%

101Rh

Massagetal101
neutron number56
relative atomic mass
100,906158903 ± 0,00000627 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
4,07 ± 0,05 y
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1948
parity-

decay modeintensity
ϵ (electron capture)100%

102Rh

Massagetal102
neutron number57
relative atomic mass
101,906834282 ± 0,00000688 Da
g-factor
0,25 ± 0,2
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
207 ± 1,5 d
spin2
nuclear quadrupole moment
ontdekkingsdatum1941
parity-

decay modeintensity
β+ (β+ decay; β+ = ϵ + e+)78%
β (β decay)22%

103Rh

Massagetal103
neutron number58
relative atomic mass
102,905494081 ± 0,00000247 Da
g-factor
natural abundance
100
radioaktiwiteitStabiele isotoop
HalfleeftydNot Radioactive ☢️
spin1/2
nuclear quadrupole moment
0
ontdekkingsdatum1934
parity-

104Rh

Massagetal104
neutron number59
relative atomic mass
103,906645309 ± 0,000002471 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
42,3 ± 0,4 s
spin1
nuclear quadrupole moment
ontdekkingsdatum1939
parity+

decay modeintensity
β (β decay)99.55%
β+ (β+ decay; β+ = ϵ + e+)0.45%

105Rh

Massagetal105
neutron number60
relative atomic mass
104,905687787 ± 0,000002685 Da
g-factor
1,26 ± 0,014285714285714
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
35,341 ± 0,019 h
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1945
parity+

decay modeintensity
β (β decay)100%

106Rh

Massagetal106
neutron number61
relative atomic mass
105,907285879 ± 0,000005786 Da
g-factor
2,55 ± 0,03
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
30,07 ± 0,35 s
spin1
nuclear quadrupole moment
ontdekkingsdatum1947
parity+

decay modeintensity
β (β decay)100%

107Rh

Massagetal107
neutron number62
relative atomic mass
106,906747975 ± 0,000012937 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
21,7 ± 0,4 m
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1951
parity+

decay modeintensity
β (β decay)100%

108Rh

Massagetal108
neutron number63
relative atomic mass
107,908715304 ± 0,000015026 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
16,8 ± 0,5 s
spin1
nuclear quadrupole moment
ontdekkingsdatum1955
parity+

decay modeintensity
β (β decay)100%

109Rh

Massagetal109
neutron number64
relative atomic mass
108,908749555 ± 0,000004336 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
80,8 ± 0,7 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1972
parity+

decay modeintensity
β (β decay)100%

110Rh

Massagetal110
neutron number65
relative atomic mass
109,911079745 ± 0,000019114 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,35 ± 0,12 s
spin1
nuclear quadrupole moment
ontdekkingsdatum1963
parity+

decay modeintensity
β (β decay)100%

111Rh

Massagetal111
neutron number66
relative atomic mass
110,911643164 ± 0,000007356 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
11 ± 1 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1975
parity+

decay modeintensity
β (β decay)100%

112Rh

Massagetal112
neutron number67
relative atomic mass
111,914405199 ± 0,000047327 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
3,4 ± 0,4 s
spin1
nuclear quadrupole moment
ontdekkingsdatum1972
parity+

decay modeintensity
β (β decay)100%

113Rh

Massagetal113
neutron number68
relative atomic mass
112,915440212 ± 0,000007656 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
2,8 ± 0,12 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1971
parity+

decay modeintensity
β (β decay)100%

114Rh

Massagetal114
neutron number69
relative atomic mass
113,91872168 ± 0,000076824 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,85 ± 0,05 s
spin1
nuclear quadrupole moment
ontdekkingsdatum1988
parity+

decay modeintensity
β (β decay)100%

115Rh

Massagetal115
neutron number70
relative atomic mass
114,920311649 ± 0,000007857 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
1,03 ± 3 s
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1988
parity+

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

116Rh

Massagetal116
neutron number71
relative atomic mass
115,92406206 ± 0,000079261 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
685 ± 39 ms
spin1
nuclear quadrupole moment
ontdekkingsdatum1970
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)2.1%

117Rh

Massagetal117
neutron number72
relative atomic mass
116,926036291 ± 0,000009548 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
421 ± 30 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1991
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)7.6%

118Rh

Massagetal118
neutron number73
relative atomic mass
117,930341116 ± 0,000026018 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
282 ± 9 ms
spin1
nuclear quadrupole moment
ontdekkingsdatum1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3.1%

119Rh

Massagetal119
neutron number74
relative atomic mass
118,932556951 ± 0,00001 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
190 ± 6 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)6.4%

120Rh

Massagetal120
neutron number75
relative atomic mass
119,937069 ± 0,000215 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
129,6 ± 4,2 ms
spin8
nuclear quadrupole moment
ontdekkingsdatum1994
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)9.3%
2n (2-neutron emission)

121Rh

Massagetal121
neutron number76
relative atomic mass
120,939613 ± 0,000665 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
74 ± 4 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum1994
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)11%

122Rh

Massagetal122
neutron number77
relative atomic mass
121,944305 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
51 ± 6 ms
spin7
nuclear quadrupole moment
ontdekkingsdatum1997
parity-

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)3.9%
2n (2-neutron emission)

123Rh

Massagetal123
neutron number78
relative atomic mass
122,947192 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
42 ± 4 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)24%
2n (2-neutron emission)

124Rh

Massagetal124
neutron number79
relative atomic mass
123,952002 ± 0,000429 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
30 ± 2 ms
spin2
nuclear quadrupole moment
ontdekkingsdatum2010
parity+

decay modeintensity
β (β decay)100%
β n (β-delayed neutron emission)31%
2n (2-neutron emission)

125Rh

Massagetal125
neutron number80
relative atomic mass
124,955094 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
26,5 ± 2 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2010
parity+

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

126Rh

Massagetal126
neutron number81
relative atomic mass
125,960064 ± 0,000537 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
19 ± 3 ms
spin1
nuclear quadrupole moment
ontdekkingsdatum2010
parity-

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

127Rh

Massagetal127
neutron number82
relative atomic mass
126,963789 ± 0,000644 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
28 ± 14 ms
spin7/2
nuclear quadrupole moment
ontdekkingsdatum2015
parity+

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

128Rh

Massagetal128
neutron number83
relative atomic mass
127,970649 ± 0,000322 Da
g-factor
natural abundance
radioaktiwiteit☢️ radioactive element
Halfleeftyd
spin
nuclear quadrupole moment
ontdekkingsdatum2018
parity

decay modeintensity
β (β decay)
β n (β-delayed neutron emission)
2n (2-neutron emission)
Rhodium powder pressed melted

geskiedenis

Ontdek deurWilliam Wollaston
ligging van ontdekkingEngland
ontdekkingsdatum1803
etimologieGreek: rhodon (rose). Its salts give a rosy solution.
uitspraakRO-di-em (Engels)

source

Abundance
Abundance in Earth's crust
0,001 mg/kg
natural abundance (oseaan)
natural abundance (human body)
natural abundance (Meteoroïde)
0,000018 %
natural abundance (Son)
0,0000002 %
Abundance in Universe
0,00000006 %

Nuclear Screening Constants

1s0.9244
2p4.0596
2s11.8454
3d14.595
3p16.8456
3s16.5615
4d31.5576
4p27.8604
4s26.4184
5s38.3605