manganese vs platinum vs molybdenum

manganese (chemical element) | platinum (chemical element) | molybdenum (chemical element)

Periodic table location

Images

| manganese | platinum | molybdenum atomic symbol | Mn | Pt | Mo atomic number | 25 | 78 | 42 short electronic configuration | [Ar]4s^23d^5 | [Xe]6s^14f^145d^9 | [Kr]5s^14d^5 Aufbau diagram | 3d 4s | 5d 4f 6s | 4d 5s block | d | d | d group | 7 | 10 | 6 period | 4 | 6 | 5 atomic mass | 54.938044 u | 195.084 u | 95.95 u half-life | (stable) | (stable) | (stable)

| manganese | platinum | molybdenum phase at STP | solid | solid | solid melting point | 1246 °C | 1768.3 °C | 2623 °C boiling point | 2061 °C | 3825 °C | 4639 °C molar heat of fusion | 13.2 kJ/mol | 20 kJ/mol | 36 kJ/mol molar heat of vaporization | 220 kJ/mol | 490 kJ/mol | 600 kJ/mol specific heat at STP | 479 J/(kg K) | 133 J/(kg K) | 251 J/(kg K) Néel point | 100 K | | (properties at standard conditions)

| manganese | platinum | molybdenum density | 7.47 g/cm^3 | 21.45 g/cm^3 | 10.28 g/cm^3 liquid density | 5.95 g/cm^3 | 19.77 g/cm^3 | 9.33 g/cm^3 molar volume | 7.354 cm^3/mol | 9.095 cm^3/mol | 9.33 cm^3/mol Mohs hardness | 6 (≈ microcline) | 3.5 (between calcite and fluorite) | 5.5 (between apatite and microcline) Vickers hardness | | 549 MPa | 1530 MPa Brinell hardness | 196 MPa | 392 MPa | 1500 MPa bulk modulus | 120 GPa | 230 GPa | 230 GPa shear modulus | | 61 GPa | 20 GPa Young's modulus | 198 GPa | 168 GPa | 329 GPa Poisson ratio | | 0.38 | 0.31 tensile yield strength | 241 MPa | | ultimate tensile strength | 496 MPa | | sound speed | 5150 m/s | 2680 m/s | 6190 m/s thermal expansion | 2.17×10^-5 K^(-1) | 8.8×10^-6 K^(-1) | 4.8×10^-6 K^(-1) thermal conductivity | 7.8 W/(m K) | 72 W/(m K) | 139 W/(m K) (properties at standard conditions)

| manganese | platinum | molybdenum electrical type | conductor | conductor | conductor resistivity | 1.6×10^-6 Ω m (ohm meters) | 1.1×10^-7 Ω m (ohm meters) | 5×10^-8 Ω m (ohm meters) electrical conductivity | 620000 S/m (siemens per meter) | 9.4×10^6 S/m (siemens per meter) | 2×10^7 S/m (siemens per meter) magnetic type | paramagnetic | paramagnetic | paramagnetic volume magnetic susceptibility | 9.0387×10^-4 | 2.573×10^-4 | 1.203×10^-4 mass magnetic susceptibility | 1.21×10^-7 m^3/kg (cubic meters per kilogram) | 1.22×10^-8 m^3/kg (cubic meters per kilogram) | 1.17×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 6.6475×10^-9 m^3/mol (cubic meters per mole) | 2.38×10^-9 m^3/mol (cubic meters per mole) | 1.122×10^-9 m^3/mol (cubic meters per mole) Néel point | 100 K (kelvins) | | work function | 4.1 eV (Polycrystalline) | (5.12 to 5.93) eV | (4.36 to 4.95) eV threshold frequency | 9.914×10^14 Hz (hertz) | (1.238×10^15 to 1.434×10^15) Hz (hertz) | (1.054×10^15 to 1.197×10^15) Hz (hertz) superconducting point | | | 0.915 K (kelvins) color | (silver) | (gray) | (gray)

| manganese | platinum | molybdenum valence | 4 | 6 | 6 electronegativity | 1.55 | 2.28 | 2.16 electron affinity | 0 kJ/mol (kilojoules per mole) | 205.3 kJ/mol (kilojoules per mole) | 71.9 kJ/mol (kilojoules per mole) first ionization energy | 717.3 kJ/mol (kilojoules per mole) | 870 kJ/mol (kilojoules per mole) | 684.3 kJ/mol (kilojoules per mole) ionization energies | 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 | 870 kJ/mol | 1791 kJ/mol | 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

Reactivity

| manganese | platinum | molybdenum term symbol | ^6S_(5/2) | ^3D_3 | ^7S_3 atomic radius | 140 pm | 135 pm | 145 pm covalent radius | 139 pm | 136 pm | 154 pm van der Waals radius | | 175 pm | (electronic ground state properties)

| manganese | platinum | molybdenum universe abundance | 8×10^-4 mass% | 5×10^-7 mass% | 5×10^-7 mass% solar abundance | 0.001 mass% | 9×10^-7 mass% | 9×10^-7 mass% meteorite abundance | 0.27 mass% | 9.8×10^-5 mass% | 1.2×10^-4 mass% crust abundance | 0.11 mass% | 3.7×10^-6 mass% | 1.1×10^-4 mass% ocean abundance | 2×10^-7 mass% | | 1×10^-6 mass% human abundance | 2×10^-5 mass% | | 1×10^-5 mass% universe molar abundance | 2×10^-5 mol% | 3×10^-9 mol% | 1×10^-8 mol% solar molar abundance | 2×10^-5 mol% | 6×10^-9 mol% | 9.9×10^-9 mol% meteorite molar abundance | 0.093 mol% | 1×10^-5 mol% | 2.5×10^-5 mol% ocean molar abundance | 2.3×10^-8 mol% | | 6.4×10^-8 mol% crust molar abundance | 0.042 mol% | 4×10^-7 mol% | 2.3×10^-5 mol% human molar abundance | 2.3×10^-6 mol% | | 7×10^-7 mol%