Input interpretation
ruthenium(IV) oxide hydrate | element types
Result
hydrogen | oxygen | ruthenium
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| hydrogen | oxygen | ruthenium atomic symbol | H | O | Ru atomic number | 1 | 8 | 44 short electronic configuration | 1s^1 | [He]2s^22p^4 | [Kr]5s^14d^7 Aufbau diagram | 1s | 2p 2s | 4d 5s block | s | p | d group | 1 | 16 | 8 period | 1 | 2 | 5 atomic mass | 1.008 u | 15.999 u | 101.07 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
| hydrogen | oxygen | ruthenium phase at STP | gas | gas | solid melting point | -259.14 °C | -218.3 °C | 2334 °C boiling point | -252.87 °C | -182.9 °C | 4150 °C critical temperature | 32.97 K | 154.59 K | critical pressure | 1.293 MPa | 5.043 MPa | molar heat of fusion | 0.558 kJ/mol | 0.222 kJ/mol | 25.7 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 3.41 kJ/mol | 580 kJ/mol specific heat at STP | 14300 J/(kg K) | 919 J/(kg K) | 238 J/(kg K) adiabatic index | 7/5 | 7/5 | (properties at standard conditions)
Material properties
| hydrogen | oxygen | ruthenium density | 8.99×10^-5 g/cm^3 | 0.001429 g/cm^3 | 12.37 g/cm^3 liquid density | | | 10.65 g/cm^3 molar volume | 11200 cm^3/mol | 11200 cm^3/mol | 8.171 cm^3/mol Mohs hardness | | | 6.5 (between microcline and quartz) Vickers hardness | | | 2300 MPa Brinell hardness | | | 2160 MPa bulk modulus | | | 220 GPa shear modulus | | | 173 GPa Young's modulus | | | 447 GPa Poisson ratio | | | 0.3 refractive index | 1.000132 | 1.000271 | sound speed | 1270 m/s | 317.5 m/s | 5970 m/s thermal expansion | | | 6.4×10^-6 K^(-1) thermal conductivity | 0.1805 W/(m K) | 0.02658 W/(m K) | 120 W/(m K) (properties at standard conditions)
Electromagnetic properties
| hydrogen | oxygen | ruthenium electrical type | | | conductor resistivity | | | 7.1×10^-8 Ω m (ohm meters) electrical conductivity | | | 1.4×10^7 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic | paramagnetic volume magnetic susceptibility | -2.23×10^-9 | 1.90772×10^-6 | 6.7×10^-5 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | 1.335×10^-6 m^3/kg (cubic meters per kilogram) | 5.42×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | 4.27184×10^-8 m^3/mol (cubic meters per mole) | 5.48×10^-10 m^3/mol (cubic meters per mole) work function | | | 4.71 eV (Polycrystalline) threshold frequency | | | 1.139×10^15 Hz (hertz) superconducting point | | | 0.49 K (kelvins) color | (colorless) | (colorless) | (silver) refractive index | 1.000132 | 1.000271 |
Reactivity
| hydrogen | oxygen | ruthenium valence | 1 | 2 | 6 electronegativity | 2.2 | 3.44 | 2.2 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 141 kJ/mol (kilojoules per mole) | 101.3 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 1313.9 kJ/mol (kilojoules per mole) | 710.2 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 1313.9 kJ/mol | 3388.3 kJ/mol | 5300.5 kJ/mol | 7469.2 kJ/mol | 10989.5 kJ/mol | 13326.5 kJ/mol | 71330 kJ/mol | 84078 kJ/mol | 710.2 kJ/mol | 1620 kJ/mol | 2747 kJ/mol
Reactivity
Atomic properties
| hydrogen | oxygen | ruthenium term symbol | ^2S_(1/2) | ^3P_2 | ^5F_5 atomic radius | 25 pm | 60 pm | 130 pm covalent radius | 31 pm | 66 pm | 146 pm van der Waals radius | 120 pm | 152 pm | (electronic ground state properties)
Abundances
| hydrogen | oxygen | ruthenium universe abundance | 75 mass% | 1 mass% | 4×10^-7 mass% solar abundance | 75 mass% | 0.9 mass% | 5×10^-7 mass% meteorite abundance | 2.4 mass% | 40 mass% | 8.1×10^-5 mass% crust abundance | 0.15 mass% | 46 mass% | 9.9×10^-8 mass% ocean abundance | 11 mass% | 86 mass% | 7×10^-11 mass% human abundance | 10 mass% | 61 mass% | universe molar abundance | 93 mol% | 0.08 mol% | 5×10^-9 mol% solar molar abundance | 93 mol% | 0.07 mol% | 6×10^-9 mol% meteorite molar abundance | 17 mol% | 48 mol% | 1.6×10^-5 mol% ocean molar abundance | 66 mol% | 33 mol% | 4.3×10^-12 mol% crust molar abundance | 3.1 mol% | 60 mol% | 2×10^-8 mol% human molar abundance | 62 mol% | 24 mol% |