molybdenum, manganese, hydrogen

molybdenum (chemical element) | manganese (chemical element) | hydrogen (chemical element)

Periodic table location

Images

| molybdenum | manganese | hydrogen atomic symbol | Mo | Mn | H atomic number | 42 | 25 | 1 short electronic configuration | [Kr]5s^14d^5 | [Ar]4s^23d^5 | 1s^1 Aufbau diagram | 4d 5s | 3d 4s | 1s block | d | d | s group | 6 | 7 | 1 period | 5 | 4 | 1 atomic mass | 95.95 u | 54.938044 u | 1.008 u half-life | (stable) | (stable) | (stable)

| molybdenum | manganese | hydrogen phase at STP | solid | solid | gas melting point | 2623 °C | 1246 °C | -259.14 °C boiling point | 4639 °C | 2061 °C | -252.87 °C critical temperature | | | 32.97 K critical pressure | | | 1.293 MPa molar heat of fusion | 36 kJ/mol | 13.2 kJ/mol | 0.558 kJ/mol molar heat of vaporization | 600 kJ/mol | 220 kJ/mol | 0.452 kJ/mol specific heat at STP | 251 J/(kg K) | 479 J/(kg K) | 14300 J/(kg K) adiabatic index | | | 7/5 Néel point | | 100 K | (properties at standard conditions)

| molybdenum | manganese | hydrogen density | 10.28 g/cm^3 | 7.47 g/cm^3 | 8.99×10^-5 g/cm^3 liquid density | 9.33 g/cm^3 | 5.95 g/cm^3 | molar volume | 9.33 cm^3/mol | 7.354 cm^3/mol | 11200 cm^3/mol Mohs hardness | 5.5 (between apatite and microcline) | 6 (≈ microcline) | Vickers hardness | 1530 MPa | | Brinell hardness | 1500 MPa | 196 MPa | bulk modulus | 230 GPa | 120 GPa | shear modulus | 20 GPa | | Young's modulus | 329 GPa | 198 GPa | Poisson ratio | 0.31 | | tensile yield strength | | 241 MPa | ultimate tensile strength | | 496 MPa | refractive index | | | 1.000132 sound speed | 6190 m/s | 5150 m/s | 1270 m/s thermal expansion | 4.8×10^-6 K^(-1) | 2.17×10^-5 K^(-1) | thermal conductivity | 139 W/(m K) | 7.8 W/(m K) | 0.1805 W/(m K) (properties at standard conditions)

| molybdenum | manganese | hydrogen electrical type | conductor | conductor | resistivity | 5×10^-8 Ω m (ohm meters) | 1.6×10^-6 Ω m (ohm meters) | electrical conductivity | 2×10^7 S/m (siemens per meter) | 620000 S/m (siemens per meter) | magnetic type | paramagnetic | paramagnetic | diamagnetic volume magnetic susceptibility | 1.203×10^-4 | 9.0387×10^-4 | -2.23×10^-9 mass magnetic susceptibility | 1.17×10^-8 m^3/kg (cubic meters per kilogram) | 1.21×10^-7 m^3/kg (cubic meters per kilogram) | -2.48×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.122×10^-9 m^3/mol (cubic meters per mole) | 6.6475×10^-9 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) Néel point | | 100 K (kelvins) | work function | (4.36 to 4.95) eV | 4.1 eV (Polycrystalline) | threshold frequency | (1.054×10^15 to 1.197×10^15) Hz (hertz) | 9.914×10^14 Hz (hertz) | superconducting point | 0.915 K (kelvins) | | color | (gray) | (silver) | (colorless) refractive index | | | 1.000132

| molybdenum | manganese | hydrogen valence | 6 | 4 | 1 electronegativity | 2.16 | 1.55 | 2.2 electron affinity | 71.9 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) first ionization energy | 684.3 kJ/mol (kilojoules per mole) | 717.3 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) ionization energies | 684.3 kJ/mol | 1560 kJ/mol | 2618 kJ/mol | 4480 kJ/mol | 5257 kJ/mol | 6640.8 kJ/mol | 12125 kJ/mol | 13860 kJ/mol | 15835 kJ/mol | 17980 kJ/mol | 20190 kJ/mol | 22219 kJ/mol | 26930 kJ/mol | 29196 kJ/mol | 52490 kJ/mol | 55000 kJ/mol | 61400 kJ/mol | 67700 kJ/mol | 74000 kJ/mol | 80400 kJ/mol | 87000 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 | 1312 kJ/mol

Reactivity

| molybdenum | manganese | hydrogen term symbol | ^7S_3 | ^6S_(5/2) | ^2S_(1/2) atomic radius | 145 pm | 140 pm | 25 pm covalent radius | 154 pm | 139 pm | 31 pm van der Waals radius | | | 120 pm (electronic ground state properties)

| molybdenum | manganese | hydrogen universe abundance | 5×10^-7 mass% | 8×10^-4 mass% | 75 mass% solar abundance | 9×10^-7 mass% | 0.001 mass% | 75 mass% meteorite abundance | 1.2×10^-4 mass% | 0.27 mass% | 2.4 mass% crust abundance | 1.1×10^-4 mass% | 0.11 mass% | 0.15 mass% ocean abundance | 1×10^-6 mass% | 2×10^-7 mass% | 11 mass% human abundance | 1×10^-5 mass% | 2×10^-5 mass% | 10 mass% universe molar abundance | 1×10^-8 mol% | 2×10^-5 mol% | 93 mol% solar molar abundance | 9.9×10^-9 mol% | 2×10^-5 mol% | 93 mol% meteorite molar abundance | 2.5×10^-5 mol% | 0.093 mol% | 17 mol% ocean molar abundance | 6.4×10^-8 mol% | 2.3×10^-8 mol% | 66 mol% crust molar abundance | 2.3×10^-5 mol% | 0.042 mol% | 3.1 mol% human molar abundance | 7×10^-7 mol% | 2.3×10^-6 mol% | 62 mol%