Rodium

Rodium (Rh)

grundämne
Atomnummer45
Atommassa102.9055
masstal103
Grupp9
Period5
Blockd
Protoner45 p+
Neutroner58 n0
Electrons45 e-
Animated Bohrs atommodell of Rh (Rodium)

Egenskaper

atomradie
135 pm
molvolym
kovalent radie
125 pm
Metallic Radius
125 pm
ionic radius
66,5 pm
Crystal Radius
80,5 pm
Van der Waalsradie
210 pm
densitet
12,4 g/cm³
energi
proton affinity
768 kJ/mol
Elektronaffinitet
joniseringsenergi
joniseringsenergi of Rh (Rodium)
ångbildningsvärme
494 kJ/mol
smältvärme
21,8 kJ/mol
Bildningsentalpi
556 kJ/mol
Electrons
electron shell2, 8, 18, 16, 1
Bohrs atommodell: Rh (Rodium)
valenselektron1
elektronkonfiguration[Kr] 4d8 5s1
Enhanced Bohrs atommodell of Rh (Rodium)
Orbital Diagram of Rh (Rodium)
oxidationstal-3, -1, 0, 1, 2, 3, 4, 5, 6, 7
elektronegativitet
2.28
Electrophilicity
1,4609827901817496 eV/particle
Phases
aggregationstillståndFast
Gas Phase
Kokpunkt
3 968,15 K
Smältpunkt
2 236,15 K
critical pressure
critical temperature
trippelpunkt
Visual
färg
Silver
appearancesilvery white metallic
Brytningsindex
materialegenskap
Värmeledningsförmåga
termisk expansion
0,000008 1/K
molar heat capacity
24,98 J/(mol K)
Specifik värmekapacitet
0,243 J/(g⋅K)
heat capacity ratio
electrical properties
typeConductor
elektrisk konduktivitet
23 MS/m
resistivitet
0,00000004300000000003 m Ω
supraledare
magnetism
typeparamagnetic
magnetisk susceptibilitet (Mass)
0,0000000136 m³/Kg
magnetisk susceptibilitet (Molar)
0,0000000014 m³/mol
magnetisk susceptibilitet (Volume)
0,0001693
magnetic ordering
Curiepunkten
Néel temperature
Structure
KristallstrukturYtcentrerat kubiskt (FCC)
Gitterkonstant
3,8 Å
Lattice Anglesπ/2, π/2, π/2
mekanisk materialegenskap
hårdhet
6 MPa
Kompressibilitet
380 GPa
skjuvmodul
150 GPa
Young's modulus
275 GPa
Poissons konstant
0,26
ljudhastighet
4 700 m/s
klassificering
KategoriÖvergångsmetaller, Transition metals
CAS GroupVIIIA
IUPAC GroupVIII
Glawe Number63
Mendeleev Number64
Pettifor Number66
Geochemical Classnoble metal
Goldschmidt classificationsiderophile
övrigt
Gas Basicity
745,4 kJ/mol
Dipole Polarizability
66 ± 10 a₀
C6 Dispersion Coefficient
Allotropes
Träffyta
145
Neutron Mass Absorption
0,063
kvanttal4F9/2
rymdgrupp225 (Fm_3m)

Rodiumisotoper

Stabila isotoper1
Instabila isotoper40
Radioactive Isotopes39

88Rh

natural abundanceRadioactive ☢️
relative atomic mass
87,960429 ± 0,000429 Da
masstal88
g-factor
Halveringstid
Spinn
nuclear quadrupole moment
upptäcktsdatum
Paritet

88Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)%

89Rh

natural abundance
relative atomic mass
88,950992 ± 0,000387 Da
masstal89
g-factor
Halveringstid
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum
Paritet+

89Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)%
β+ p (β+-delayed proton emission)%
p (proton emission)%

90Rh

natural abundanceRadioactive ☢️
relative atomic mass
89,944569 ± 0,000215 Da
masstal90
g-factor
0
Halveringstid
29 ± 3 ms
Spinn0
nuclear quadrupole moment
0
upptäcktsdatum1994
Paritet+

90Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)0.7%

91Rh

natural abundanceRadioactive ☢️
relative atomic mass
90,937123 ± 0,00032 Da
masstal91
g-factor
Halveringstid
1,47 ± 0,22 s
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

91Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)1.3%

92Rh

natural abundanceRadioactive ☢️
relative atomic mass
91,932367692 ± 0,0000047 Da
masstal92
g-factor
Halveringstid
5,61 ± 0,08 s
Spinn6
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

92Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)2.05%

93Rh

natural abundanceRadioactive ☢️
relative atomic mass
92,925912778 ± 0,000002821 Da
masstal93
g-factor
Halveringstid
13,9 ± 1,6 s
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

93Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

94Rh

natural abundanceRadioactive ☢️
relative atomic mass
93,92173045 ± 0,000003627 Da
masstal94
g-factor
Halveringstid
70,6 ± 0,6 s
Spinn4
nuclear quadrupole moment
upptäcktsdatum1979
Paritet+

94Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
β+ p (β+-delayed proton emission)1.8%

95Rh

natural abundanceRadioactive ☢️
relative atomic mass
94,915897893 ± 0,000004171 Da
masstal95
g-factor
Halveringstid
5,02 ± 0,1 m
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1967
Paritet

95Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

96Rh

natural abundanceRadioactive ☢️
relative atomic mass
95,914451705 ± 0,000010737 Da
masstal96
g-factor
Halveringstid
9,9 ± 0,1 m
Spinn6
nuclear quadrupole moment
upptäcktsdatum1967
Paritet+

96Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

97Rh

natural abundanceRadioactive ☢️
relative atomic mass
96,911327872 ± 0,000038071 Da
masstal97
g-factor
Halveringstid
30,7 ± 0,6 m
Spinn9/2
nuclear quadrupole moment
upptäcktsdatum1955
Paritet+

97Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

98Rh

natural abundanceRadioactive ☢️
relative atomic mass
97,910707734 ± 0,000012782 Da
masstal98
g-factor
Halveringstid
8,72 ± 0,12 m
Spinn2
nuclear quadrupole moment
upptäcktsdatum1955
Paritet

98Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

99Rh

natural abundanceRadioactive ☢️
relative atomic mass
98,908121241 ± 0,000020881 Da
masstal99
g-factor
Halveringstid
16,1 ± 0,2 d
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1952
Paritet-

99Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%

100Rh

natural abundanceRadioactive ☢️
relative atomic mass
99,908114147 ± 0,000019458 Da
masstal100
g-factor
Halveringstid
20,8 ± 0,1 h
Spinn1
nuclear quadrupole moment
upptäcktsdatum1948
Paritet-

100Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)100%
ϵ (electron capture)95.1%
e+ (positron emission)4.9%

101Rh

natural abundanceRadioactive ☢️
relative atomic mass
100,906158903 ± 0,00000627 Da
masstal101
g-factor
Halveringstid
4,07 ± 0,05 y
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1948
Paritet-

101Rh Decay Modes
decay modeIntensitet
ϵ (electron capture)100%

102Rh

natural abundanceRadioactive ☢️
relative atomic mass
101,906834282 ± 0,00000688 Da
masstal102
g-factor
0,25 ± 0,2
Halveringstid
207 ± 1,5 d
Spinn2
nuclear quadrupole moment
upptäcktsdatum1941
Paritet-

102Rh Decay Modes
decay modeIntensitet
β+ (β+ decay; β+ = ϵ + e+)78%
β (β decay)22%

103Rh

natural abundance
100
relative atomic mass
102,905494081 ± 0,00000247 Da
masstal103
g-factor
Halveringstid
Spinn1/2
nuclear quadrupole moment
0
upptäcktsdatum1934
Paritet-

104Rh

natural abundanceRadioactive ☢️
relative atomic mass
103,906645309 ± 0,000002471 Da
masstal104
g-factor
Halveringstid
42,3 ± 0,4 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1939
Paritet+

104Rh Decay Modes
decay modeIntensitet
β (β decay)99.55%
β+ (β+ decay; β+ = ϵ + e+)0.45%

105Rh

natural abundanceRadioactive ☢️
relative atomic mass
104,905687787 ± 0,000002685 Da
masstal105
g-factor
1,26 ± 0,014285714285714
Halveringstid
35,341 ± 0,019 h
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1945
Paritet+

105Rh Decay Modes
decay modeIntensitet
β (β decay)100%

106Rh

natural abundanceRadioactive ☢️
relative atomic mass
105,907285879 ± 0,000005786 Da
masstal106
g-factor
2,55 ± 0,03
Halveringstid
30,07 ± 0,35 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1947
Paritet+

106Rh Decay Modes
decay modeIntensitet
β (β decay)100%

107Rh

natural abundanceRadioactive ☢️
relative atomic mass
106,906747975 ± 0,000012937 Da
masstal107
g-factor
Halveringstid
21,7 ± 0,4 m
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1951
Paritet+

107Rh Decay Modes
decay modeIntensitet
β (β decay)100%

108Rh

natural abundanceRadioactive ☢️
relative atomic mass
107,908715304 ± 0,000015026 Da
masstal108
g-factor
Halveringstid
16,8 ± 0,5 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1955
Paritet+

108Rh Decay Modes
decay modeIntensitet
β (β decay)100%

109Rh

natural abundanceRadioactive ☢️
relative atomic mass
108,908749555 ± 0,000004336 Da
masstal109
g-factor
Halveringstid
80,8 ± 0,7 s
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1972
Paritet+

109Rh Decay Modes
decay modeIntensitet
β (β decay)100%

110Rh

natural abundanceRadioactive ☢️
relative atomic mass
109,911079745 ± 0,000019114 Da
masstal110
g-factor
Halveringstid
3,35 ± 0,12 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1963
Paritet+

110Rh Decay Modes
decay modeIntensitet
β (β decay)100%

111Rh

natural abundanceRadioactive ☢️
relative atomic mass
110,911643164 ± 0,000007356 Da
masstal111
g-factor
Halveringstid
11 ± 1 s
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1975
Paritet+

111Rh Decay Modes
decay modeIntensitet
β (β decay)100%

112Rh

natural abundanceRadioactive ☢️
relative atomic mass
111,914405199 ± 0,000047327 Da
masstal112
g-factor
Halveringstid
3,4 ± 0,4 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1972
Paritet+

112Rh Decay Modes
decay modeIntensitet
β (β decay)100%

113Rh

natural abundanceRadioactive ☢️
relative atomic mass
112,915440212 ± 0,000007656 Da
masstal113
g-factor
Halveringstid
2,8 ± 0,12 s
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1971
Paritet+

113Rh Decay Modes
decay modeIntensitet
β (β decay)100%

114Rh

natural abundanceRadioactive ☢️
relative atomic mass
113,91872168 ± 0,000076824 Da
masstal114
g-factor
Halveringstid
1,85 ± 0,05 s
Spinn1
nuclear quadrupole moment
upptäcktsdatum1988
Paritet+

114Rh Decay Modes
decay modeIntensitet
β (β decay)100%

115Rh

natural abundanceRadioactive ☢️
relative atomic mass
114,920311649 ± 0,000007857 Da
masstal115
g-factor
Halveringstid
1,03 ± 3 s
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1988
Paritet+

115Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%

116Rh

natural abundanceRadioactive ☢️
relative atomic mass
115,92406206 ± 0,000079261 Da
masstal116
g-factor
Halveringstid
685 ± 39 ms
Spinn1
nuclear quadrupole moment
upptäcktsdatum1970
Paritet+

116Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)2.1%

117Rh

natural abundanceRadioactive ☢️
relative atomic mass
116,926036291 ± 0,000009548 Da
masstal117
g-factor
Halveringstid
421 ± 30 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1991
Paritet+

117Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)7.6%

118Rh

natural abundanceRadioactive ☢️
relative atomic mass
117,930341116 ± 0,000026018 Da
masstal118
g-factor
Halveringstid
282 ± 9 ms
Spinn1
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

118Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)3.1%

119Rh

natural abundanceRadioactive ☢️
relative atomic mass
118,932556951 ± 0,00001 Da
masstal119
g-factor
Halveringstid
190 ± 6 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

119Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)6.4%

120Rh

natural abundanceRadioactive ☢️
relative atomic mass
119,937069 ± 0,000215 Da
masstal120
g-factor
Halveringstid
129,6 ± 4,2 ms
Spinn8
nuclear quadrupole moment
upptäcktsdatum1994
Paritet-

120Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)9.3%
2n (2-neutron emission)%

121Rh

natural abundanceRadioactive ☢️
relative atomic mass
120,939613 ± 0,000665 Da
masstal121
g-factor
Halveringstid
74 ± 4 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum1994
Paritet+

121Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)11%

122Rh

natural abundanceRadioactive ☢️
relative atomic mass
121,944305 ± 0,000322 Da
masstal122
g-factor
Halveringstid
51 ± 6 ms
Spinn7
nuclear quadrupole moment
upptäcktsdatum1997
Paritet-

122Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)3.9%
2n (2-neutron emission)%

123Rh

natural abundanceRadioactive ☢️
relative atomic mass
122,947192 ± 0,000429 Da
masstal123
g-factor
Halveringstid
42 ± 4 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum2010
Paritet+

123Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)24%
2n (2-neutron emission)%

124Rh

natural abundanceRadioactive ☢️
relative atomic mass
123,952002 ± 0,000429 Da
masstal124
g-factor
Halveringstid
30 ± 2 ms
Spinn2
nuclear quadrupole moment
upptäcktsdatum2010
Paritet+

124Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)31%
2n (2-neutron emission)%

125Rh

natural abundanceRadioactive ☢️
relative atomic mass
124,955094 ± 0,000537 Da
masstal125
g-factor
Halveringstid
26,5 ± 2 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum2010
Paritet+

125Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

126Rh

natural abundanceRadioactive ☢️
relative atomic mass
125,960064 ± 0,000537 Da
masstal126
g-factor
Halveringstid
19 ± 3 ms
Spinn1
nuclear quadrupole moment
upptäcktsdatum2010
Paritet-

126Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

127Rh

natural abundanceRadioactive ☢️
relative atomic mass
126,963789 ± 0,000644 Da
masstal127
g-factor
Halveringstid
28 ± 14 ms
Spinn7/2
nuclear quadrupole moment
upptäcktsdatum2015
Paritet+

127Rh Decay Modes
decay modeIntensitet
β (β decay)100%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%

128Rh

natural abundanceRadioactive ☢️
relative atomic mass
127,970649 ± 0,000322 Da
masstal128
g-factor
Halveringstid
Spinn
nuclear quadrupole moment
upptäcktsdatum2018
Paritet

128Rh Decay Modes
decay modeIntensitet
β (β decay)%
β n (β-delayed neutron emission)%
2n (2-neutron emission)%
Rhodium powder pressed melted.jpg

historia

upptäckare eller uppfinnareWilliam Wollaston
fyndplatsEngland
upptäcktsdatum1803
etymologiGreek: rhodon (rose). Its salts give a rosy solution.
uttalRO-di-em (engelska)

Sources

Förekomst
Abundance in Earth's crust
0,001 mg/kg
Abundance in Oceans
Abundance in Human Body
Abundance in Meteor
0,000018 %
Abundance in Sun
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