Input interpretation
rhodium (chemical element) | manganese (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| rhodium | manganese atomic symbol | Rh | Mn atomic number | 45 | 25 short electronic configuration | [Kr]5s^14d^8 | [Ar]4s^23d^5 Aufbau diagram | 4d 5s | 3d 4s block | d | d group | 9 | 7 period | 5 | 4 atomic mass | 102.9055 u | 54.938044 u half-life | (stable) | (stable)
Thermodynamic properties
| rhodium | manganese phase at STP | solid | solid melting point | 1964 °C | 1246 °C boiling point | 3695 °C | 2061 °C molar heat of fusion | 21.7 kJ/mol | 13.2 kJ/mol molar heat of vaporization | 495 kJ/mol | 220 kJ/mol specific heat at STP | 240 J/(kg K) | 479 J/(kg K) Néel point | | 100 K (properties at standard conditions)
Material properties
| rhodium | manganese density | 12.45 g/cm^3 | 7.47 g/cm^3 liquid density | 10.7 g/cm^3 | 5.95 g/cm^3 molar volume | 8.2655 cm^3/mol | 7.354 cm^3/mol Mohs hardness | 6 (≈ microcline) | 6 (≈ microcline) Vickers hardness | 1246 MPa | Brinell hardness | 1100 MPa | 196 MPa bulk modulus | 380 GPa | 120 GPa shear modulus | 150 GPa | Young's modulus | 275 GPa | 198 GPa Poisson ratio | 0.26 | tensile yield strength | | 241 MPa ultimate tensile strength | | 496 MPa sound speed | 4700 m/s | 5150 m/s thermal expansion | 8.2×10^-6 K^(-1) | 2.17×10^-5 K^(-1) thermal conductivity | 150 W/(m K) | 7.8 W/(m K) (properties at standard conditions)
Electromagnetic properties
| rhodium | manganese electrical type | conductor | conductor resistivity | 4.3×10^-8 Ω m (ohm meters) | 1.6×10^-6 Ω m (ohm meters) electrical conductivity | 2.3×10^7 S/m (siemens per meter) | 620000 S/m (siemens per meter) magnetic type | paramagnetic | paramagnetic volume magnetic susceptibility | 1.693×10^-4 | 9.0387×10^-4 mass magnetic susceptibility | 1.36×10^-8 m^3/kg (cubic meters per kilogram) | 1.21×10^-7 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.4×10^-9 m^3/mol (cubic meters per mole) | 6.6475×10^-9 m^3/mol (cubic meters per mole) Néel point | | 100 K (kelvins) work function | 4.98 eV (Polycrystalline) | 4.1 eV (Polycrystalline) threshold frequency | 1.204×10^15 Hz (hertz) | 9.914×10^14 Hz (hertz) color | (silver) | (silver)
Reactivity
| rhodium | manganese valence | 6 | 4 electronegativity | 2.28 | 1.55 electron affinity | 109.7 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 719.7 kJ/mol (kilojoules per mole) | 717.3 kJ/mol (kilojoules per mole) ionization energies | 719.7 kJ/mol | 1740 kJ/mol | 2997 kJ/mol | 717.3 kJ/mol | 1509 kJ/mol | 3248 kJ/mol | 4940 kJ/mol | 6990 kJ/mol | 9220 kJ/mol | 11500 kJ/mol | 18770 kJ/mol | 21400 kJ/mol | 23960 kJ/mol | 27590 kJ/mol | 30330 kJ/mol | 33150 kJ/mol | 38880 kJ/mol | 41987 kJ/mol | 109480 kJ/mol | 118100 kJ/mol | 127100 kJ/mol | 138600 kJ/mol | 148500 kJ/mol | 158600 kJ/mol
Reactivity
Atomic properties
| rhodium | manganese term symbol | ^4F_(9/2) | ^6S_(5/2) atomic radius | 135 pm | 140 pm covalent radius | 142 pm | 139 pm (electronic ground state properties)
Abundances
| rhodium | manganese universe abundance | 6×10^-8 mass% | 8×10^-4 mass% solar abundance | 2×10^-7 mass% | 0.001 mass% meteorite abundance | 1.8×10^-5 mass% | 0.27 mass% crust abundance | 7×10^-8 mass% | 0.11 mass% ocean abundance | | 2×10^-7 mass% human abundance | | 2×10^-5 mass% universe molar abundance | 7×10^-10 mol% | 2×10^-5 mol% solar molar abundance | 2×10^-9 mol% | 2×10^-5 mol% meteorite molar abundance | 4×10^-6 mol% | 0.093 mol% ocean molar abundance | | 2.3×10^-8 mol% crust molar abundance | 9.9×10^-9 mol% | 0.042 mol% human molar abundance | | 2.3×10^-6 mol%
Nuclear properties
| rhodium | manganese half-life | (stable) | (stable) stable isotopes | Rh-103 (100%) | Mn-55 (100%) nuclear spin | Rh-89: 7/2^+ | Rh-90: 0^+ | Rh-91: 9/2^+ | Rh-92: 2^+ | Rh-93: 9/2^+ | Rh-94: 4^+ | Rh-95: 9/2^+ | Rh-96: 6^+ | Rh-97: 9/2^+ | Rh-98: 2^+ | Rh-99: 1/2^- | Rh-100: 1^- | Rh-101: 1/2^- | Rh-103: 1/2^- | Rh-104: 1^+ | Rh-105: 7/2^+ | Rh-106: 1^+ | Rh-107: 7/2^+ | Rh-108: 1^+ | Rh-109: 7/2^+ | Rh-111: 7/2^+ | Rh-112: 1^+ | Rh-113: 7/2^+ | Rh-114: 1^+ | Rh-115: 7/2^+ | Rh-116: 1^+ | Rh-117: 7/2^+ | Rh-119: 7/2^+ | Rh-121: 7/2^+ | Mn-44: 2^- | Mn-45: 7/2^- | Mn-46: 4^+ | Mn-47: 5/2^- | Mn-48: 4^+ | Mn-49: 5/2^- | Mn-50: 0^+ | Mn-51: 5/2^- | Mn-52: 6^+ | Mn-53: 7/2^- | Mn-54: 3^+ | Mn-55: 5/2^- | Mn-56: 3^+ | Mn-57: 5/2^- | Mn-58: 1^+ | Mn-59: 5/2^- | Mn-60: 0^+ | Mn-61: 5/2^- | Mn-62: 3^+ | Mn-63: 5/2^- | Mn-64: 1^+ | Mn-65: 5/2^- | Mn-67: 5/2^- | Mn-69: 5/2^- unstable isotopes | Rh-101 (3.3 yr) | Rh-102 (207 days) | Rh-99 (16.1 days) | Rh-105 (35.36 h) | Rh-100 (20.8 h) | Rh-97 (30.67 min) | Rh-107 (22 min) | Rh-96 (9.9 min) | Rh-98 (8.72 min) | Rh-95 (5.02 min) | Rh-109 (80 s) | Rh-94 (70.6 s) | Rh-104 (42.3 s) | Rh-106 (30.07 s) | Rh-110 (28.5 s) | Rh-108 (16.8 s) | Rh-93 (11.9 s) | Rh-111 (11 s) | Rh-112 (3.4 s) | Rh-113 (2.8 s) | Rh-114 (1.85 s) | Rh-91 (1.47 s) | Rh-115 (0.99 s) | Rh-116 (680 ms) | Rh-92 (500 ms) | Rh-117 (440 ms) | Rh-118 (266 ms) | Rh-121 (151 ms) | Rh-120 (136 ms) | Rh-90 (12 ms) | Rh-89 (1.5 µs) | Rh-122 (300 ns) | Rh-119 (150 ns) | Mn-53 (3.8 Myr) | Mn-54 (312.12 days) | Mn-52 (134.2 h) | Mn-56 (154.73 min) | Mn-51 (46.17 min) | Mn-57 (85.4 s) | Mn-60 (51 s) | Mn-59 (4.59 s) | Mn-58 (3 s) | Mn-62 (880 ms) | Mn-61 (670 ms) | Mn-49 (382 ms) | Mn-63 (290 ms) | Mn-50 (283.29 ms) | Mn-48 (158.1 ms) | Mn-47 (100 ms) | Mn-65 (92 ms) | Mn-64 (88.8 ms) | Mn-66 (64.4 ms) | Mn-67 (47 ms) | Mn-46 (34 ms) | Mn-68 (28 ms) | Mn-69 (14 ms) | Mn-44 (105 ns) | Mn-45 (70 ns) neutron cross-section | 145 b | 13.3 b neutron mass absorption | 0.063 m^2/kg | 0.0083 m^2/kg
Identifiers
| rhodium | manganese CAS number | 7440-16-6 | 7439-96-5 PubChem CID number | 23948 | 23930