Input interpretation
manganese (chemical element) | oxygen (chemical element) | magnesium (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| manganese | oxygen | magnesium atomic symbol | Mn | O | Mg atomic number | 25 | 8 | 12 short electronic configuration | [Ar]4s^23d^5 | [He]2s^22p^4 | [Ne]3s^2 Aufbau diagram | 3d 4s | 2p 2s | 3s block | d | p | s group | 7 | 16 | 2 period | 4 | 2 | 3 atomic mass | 54.938044 u | 15.999 u | 24.305 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
| manganese | oxygen | magnesium phase at STP | solid | gas | solid melting point | 1246 °C | -218.3 °C | 650 °C boiling point | 2061 °C | -182.9 °C | 1090 °C critical temperature | | 154.59 K | (unknown) critical pressure | | 5.043 MPa | (unknown) molar heat of fusion | 13.2 kJ/mol | 0.222 kJ/mol | 8.7 kJ/mol molar heat of vaporization | 220 kJ/mol | 3.41 kJ/mol | 128 kJ/mol specific heat at STP | 479 J/(kg K) | 919 J/(kg K) | 1020 J/(kg K) adiabatic index | | 7/5 | Néel point | 100 K | | (properties at standard conditions)
Material properties
| manganese | oxygen | magnesium density | 7.47 g/cm^3 | 0.001429 g/cm^3 | 1.738 g/cm^3 liquid density | 5.95 g/cm^3 | | 1.584 g/cm^3 molar volume | 7.354 cm^3/mol | 11200 cm^3/mol | 13.98 cm^3/mol Mohs hardness | 6 (≈ microcline) | | 2.5 (between gypsum and calcite) Brinell hardness | 196 MPa | | 260 MPa bulk modulus | 120 GPa | | 45 GPa shear modulus | | | 17 GPa Young's modulus | 198 GPa | | 45 GPa Poisson ratio | | | 0.29 tensile yield strength | 241 MPa | | ultimate tensile strength | 496 MPa | | refractive index | | 1.000271 | (unknown) sound speed | 5150 m/s | 317.5 m/s | 4602 m/s thermal expansion | 2.17×10^-5 K^(-1) | | 2.5×10^-5 K^(-1) thermal conductivity | 7.8 W/(m K) | 0.02658 W/(m K) | 160 W/(m K) (properties at standard conditions)
Electromagnetic properties
| manganese | oxygen | magnesium electrical type | conductor | | conductor resistivity | 1.6×10^-6 Ω m (ohm meters) | | 4.4×10^-8 Ω m (ohm meters) electrical conductivity | 620000 S/m (siemens per meter) | | 2.3×10^7 S/m (siemens per meter) magnetic type | paramagnetic | paramagnetic | paramagnetic volume magnetic susceptibility | 9.0387×10^-4 | 1.90772×10^-6 | 1.2×10^-5 mass magnetic susceptibility | 1.21×10^-7 m^3/kg (cubic meters per kilogram) | 1.335×10^-6 m^3/kg (cubic meters per kilogram) | 6.9×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 6.6475×10^-9 m^3/mol (cubic meters per mole) | 4.27184×10^-8 m^3/mol (cubic meters per mole) | 1.68×10^-10 m^3/mol (cubic meters per mole) Néel point | 100 K (kelvins) | | work function | 4.1 eV (Polycrystalline) | | 3.66 eV (Polycrystalline) threshold frequency | 9.914×10^14 Hz (hertz) | | 8.85×10^14 Hz (hertz) color | (silver) | (colorless) | (silver) refractive index | | 1.000271 | (unknown)
Reactivity
| manganese | oxygen | magnesium valence | 4 | 2 | 2 electronegativity | 1.55 | 3.44 | 1.31 electron affinity | 0 kJ/mol (kilojoules per mole) | 141 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 717.3 kJ/mol (kilojoules per mole) | 1313.9 kJ/mol (kilojoules per mole) | 737.7 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 | 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 | 737.7 kJ/mol | 1450.7 kJ/mol | 7732.7 kJ/mol | 10542.5 kJ/mol | 13630 kJ/mol | 18020 kJ/mol | 21711 kJ/mol | 25661 kJ/mol | 31653 kJ/mol | 35458 kJ/mol
Reactivity
Atomic properties
| manganese | oxygen | magnesium term symbol | ^6S_(5/2) | ^3P_2 | ^1S_0 atomic radius | 140 pm | 60 pm | 150 pm covalent radius | 139 pm | 66 pm | 141 pm van der Waals radius | | 152 pm | 173 pm (electronic ground state properties)
Abundances
| manganese | oxygen | magnesium universe abundance | 8×10^-4 mass% | 1 mass% | 0.06 mass% solar abundance | 0.001 mass% | 0.9 mass% | 0.07 mass% meteorite abundance | 0.27 mass% | 40 mass% | 12 mass% crust abundance | 0.11 mass% | 46 mass% | 2.9 mass% ocean abundance | 2×10^-7 mass% | 86 mass% | 0.13 mass% human abundance | 2×10^-5 mass% | 61 mass% | 0.027 mass% universe molar abundance | 2×10^-5 mol% | 0.08 mol% | 0.003 mol% solar molar abundance | 2×10^-5 mol% | 0.07 mol% | 0.003 mol% meteorite molar abundance | 0.093 mol% | 48 mol% | 10 mol% ocean molar abundance | 2.3×10^-8 mol% | 33 mol% | 0.034 mol% crust molar abundance | 0.042 mol% | 60 mol% | 2.5 mol% human molar abundance | 2.3×10^-6 mol% | 24 mol% | 0.007 mol%
Nuclear properties
| manganese | oxygen | magnesium half-life | (stable) | (stable) | (stable) stable isotopes | Mn-55 (100%) | O-16 (99.762%) | O-18 (0.2%) | O-17 (3.8×10^-4) | Mg-24 (78.99%) | Mg-26 (11.01%) | Mg-25 (10%) nuclear spin | 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^- | O-12: 0^+ | O-13: 3/2^- | O-14: 0^+ | O-15: 1/2^- | O-16: 0^+ | O-17: 5/2^+ | O-18: 0^+ | O-19: 5/2^+ | O-20: 0^+ | O-21: 5/2^+ | O-22: 0^+ | O-23: 1/2^+ | O-24: 0^+ | O-25: 3/2^+ | O-26: 0^+ | O-27: 3/2^+ | O-28: 0^+ | Mg-19: 1/2^- | Mg-20: 0^+ | Mg-21: 5/2^+ | Mg-22: 0^+ | Mg-23: 3/2^+ | Mg-24: 0^+ | Mg-25: 5/2^+ | Mg-26: 0^+ | Mg-27: 1/2^+ | Mg-28: 0^+ | Mg-29: 3/2^+ | Mg-30: 0^+ | Mg-31: 1/2^+ | Mg-32: 0^+ | Mg-33: 3/2^+ | Mg-34: 0^+ | Mg-35: 7/2^- | Mg-36: 0^+ | Mg-37: 7/2^- | Mg-38: 0^+ | Mg-39: 7/2^- | Mg-40: 0^+ unstable isotopes | 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) | O-15 (122.24 s) | O-14 (70.606 s) | O-19 (26.88 s) | O-20 (13.51 s) | O-21 (3.42 s) | O-22 (2.25 s) | O-23 (82 ms) | O-24 (65 ms) | O-13 (8.58 ms) | O-27 (260 ns) | O-28 (100 ns) | O-25 (50 ns) | O-26 (40 ns) | O-12 (1.14 zs) | Mg-28 (20.915 h) | Mg-27 (9.458 min) | Mg-23 (11.317 s) | Mg-22 (3.8755 s) | Mg-29 (1.3 s) | Mg-30 (335 ms) | Mg-31 (232 ms) | Mg-21 (122 ms) | Mg-33 (90.5 ms) | Mg-20 (90 ms) | Mg-32 (86 ms) | Mg-35 (70 ms) | Mg-34 (20 ms) | Mg-36 (3.9 ms) | Mg-38 (260 ns) | Mg-37 (260 ns) | Mg-39 (180 ns) | Mg-40 (170 ns) neutron cross-section | 13.3 b | 2.8×10^-4 b | 0.063 b neutron mass absorption | 0.0083 m^2/kg | 1×10^-6 m^2/kg | 1×10^-4 m^2/kg
Identifiers
| manganese | oxygen | magnesium CAS number | 7439-96-5 | 7782-44-7 | 7439-95-4 PubChem CID number | 23930 | 977 | 5462224