Input interpretation
carbon (chemical element) | hydrogen (chemical element) | ruthenium (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| carbon | hydrogen | ruthenium atomic symbol | C | H | Ru atomic number | 6 | 1 | 44 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Kr]5s^14d^7 Aufbau diagram | 2p 2s | 1s | 4d 5s block | p | s | d group | 14 | 1 | 8 period | 2 | 1 | 5 atomic mass | 12.011 u | 1.008 u | 101.07 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
| carbon | hydrogen | ruthenium phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | 2334 °C boiling point | 4027 °C | -252.87 °C | 4150 °C critical temperature | | 32.97 K | critical pressure | | 1.293 MPa | molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 25.7 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 580 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 238 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)
Material properties
| carbon | hydrogen | ruthenium density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 12.37 g/cm^3 liquid density | | | 10.65 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 8.171 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | 6.5 (between microcline and quartz) Vickers hardness | | | 2300 MPa Brinell hardness | | | 2160 MPa bulk modulus | 33 GPa | | 220 GPa shear modulus | | | 173 GPa Young's modulus | | | 447 GPa Poisson ratio | | | 0.3 refractive index | 2.417 | 1.000132 | sound speed | 18350 m/s | 1270 m/s | 5970 m/s thermal expansion | 7.1×10^-6 K^(-1) | | 6.4×10^-6 K^(-1) thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 120 W/(m K) (properties at standard conditions)
Electromagnetic properties
| carbon | hydrogen | ruthenium electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 7.1×10^-8 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 1.4×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 | 6.7×10^-5 mass magnetic susceptibility | -6.2×10^-9 m^3/kg (cubic meters per kilogram) | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | 5.42×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -7.45×10^-11 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) | 5.48×10^-10 m^3/mol (cubic meters per mole) work function | 5 eV (Polycrystalline) | | 4.71 eV (Polycrystalline) threshold frequency | 1.209×10^15 Hz (hertz) | | 1.139×10^15 Hz (hertz) superconducting point | | | 0.49 K (kelvins) color | (black) | (colorless) | (silver) refractive index | 2.417 | 1.000132 |
Reactivity
| carbon | hydrogen | ruthenium valence | 4 | 1 | 6 electronegativity | 2.55 | 2.2 | 2.2 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 101.3 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 710.2 kJ/mol (kilojoules per mole) ionization energies | 1086.5 kJ/mol | 2352.6 kJ/mol | 4620.5 kJ/mol | 6222.7 kJ/mol | 37831 kJ/mol | 47277 kJ/mol | 1312 kJ/mol | 710.2 kJ/mol | 1620 kJ/mol | 2747 kJ/mol
Reactivity
Atomic properties
| carbon | hydrogen | ruthenium term symbol | ^3P_0 | ^2S_(1/2) | ^5F_5 atomic radius | 70 pm | 25 pm | 130 pm covalent radius | 76 pm | 31 pm | 146 pm van der Waals radius | 170 pm | 120 pm | (electronic ground state properties)
Abundances
| carbon | hydrogen | ruthenium universe abundance | 0.5 mass% | 75 mass% | 4×10^-7 mass% solar abundance | 0.3 mass% | 75 mass% | 5×10^-7 mass% meteorite abundance | 1.5 mass% | 2.4 mass% | 8.1×10^-5 mass% crust abundance | 0.18 mass% | 0.15 mass% | 9.9×10^-8 mass% ocean abundance | 0.0028 mass% | 11 mass% | 7×10^-11 mass% human abundance | 23 mass% | 10 mass% | universe molar abundance | 0.05 mol% | 93 mol% | 5×10^-9 mol% solar molar abundance | 0.03 mol% | 93 mol% | 6×10^-9 mol% meteorite molar abundance | 1.8 mol% | 17 mol% | 1.6×10^-5 mol% ocean molar abundance | 0.0014 mol% | 66 mol% | 4.3×10^-12 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 2×10^-8 mol% human molar abundance | 12 mol% | 62 mol% |
Nuclear properties
| carbon | hydrogen | ruthenium half-life | (stable) | (stable) | (stable) stable isotopes | C-12 (98.89%) | C-13 (1.11%) | H-1 (99.985%) | H-2 (1.5×10^-4) | Ru-102 (31.55%) | Ru-104 (18.62%) | Ru-101 (17.06%) | Ru-99 (12.76%) | Ru-100 (12.6%) | Ru-96 (5.54%) | Ru-98 (1.87%) nuclear spin | C-8: 0^+ | C-9: 3/2^- | C-10: 0^+ | C-11: 3/2^- | C-12: 0^+ | C-13: 1/2^- | C-14: 0^+ | C-15: 1/2^+ | C-16: 0^+ | C-17: 3/2^+ | C-18: 0^+ | C-19: 1/2^+ | C-20: 0^+ | C-21: 1/2^+ | C-22: 0^+ | H-1: 1/2^+ | H-2: 1^+ | H-3: 1/2^+ | H-4: 2^- | H-5: 1/2^+ | H-6: 2^- | H-7: 1/2^+ | Ru-87: 1/2^- | Ru-88: 0^+ | Ru-89: 9/2^+ | Ru-90: 0^+ | Ru-91: 9/2^+ | Ru-92: 0^+ | Ru-93: 9/2^+ | Ru-94: 0^+ | Ru-95: 5/2^+ | Ru-96: 0^+ | Ru-97: 5/2^+ | Ru-98: 0^+ | Ru-99: 5/2^+ | Ru-100: 0^+ | Ru-101: 5/2^+ | Ru-102: 0^+ | Ru-103: 3/2^+ | Ru-104: 0^+ | Ru-105: 3/2^+ | Ru-106: 0^+ | Ru-107: 5/2^+ | Ru-108: 0^+ | Ru-109: 5/2^+ | Ru-110: 0^+ | Ru-111: 5/2^+ | Ru-112: 0^+ | Ru-113: 5/2^+ | Ru-114: 0^+ | Ru-116: 0^+ | Ru-118: 0^+ | Ru-120: 0^+ unstable isotopes | C-14 (5700 yr) | C-11 (20.334 min) | C-10 (19.29 s) | C-15 (2.449 s) | C-16 (747 ms) | C-17 (193 ms) | C-9 (126.5 ms) | C-18 (92 ms) | C-19 (49 ms) | C-20 (14 ms) | C-22 (6.2 ms) | C-21 (30 ns) | C-8 (2 zs) | H-3 (12.32 yr) | H-6 (0.29 zs) | H-4 (0.139 zs) | H-5 (0.08 zs) | H-7 (0.023 zs) | Ru-106 (371.8 days) | Ru-103 (39.26 days) | Ru-97 (69 h) | Ru-105 (4.4 h) | Ru-95 (98.58 min) | Ru-94 (51.83 min) | Ru-108 (4.55 min) | Ru-107 (225 s) | Ru-92 (219 s) | Ru-93 (59.7 s) | Ru-109 (34.5 s) | Ru-90 (11.7 s) | Ru-110 (11.6 s) | Ru-91 (7.9 s) | Ru-111 (2.12 s) | Ru-112 (1.75 s) | Ru-89 (1.5 s) | Ru-88 (1.2 s) | Ru-113 (800 ms) | Ru-115 (740 ms) | Ru-114 (520 ms) | Ru-116 (400 ms) | Ru-117 (300 ms) | Ru-118 (123 ms) | Ru-87 (1.5 µs) | Ru-120 (150 ns) | Ru-119 (150 ns) neutron cross-section | 0.0035 b | 0.332 b | 2.6 b neutron mass absorption | 1.5×10^-5 m^2/kg | 0.011 m^2/kg | 9×10^-4 m^2/kg
Identifiers
| carbon | hydrogen | ruthenium CAS number | 7440-44-0 | 1333-74-0 | 7440-18-8 PubChem CID number | | 783 | 23950