manganese vs iron

manganese (chemical element) | iron (chemical element)

Periodic table location

Images

| manganese | iron atomic symbol | Mn | Fe atomic number | 25 | 26 short electronic configuration | [Ar]4s^23d^5 | [Ar]4s^23d^6 Aufbau diagram | 3d 4s | 3d 4s block | d | d group | 7 | 8 period | 4 | 4 atomic mass | 54.938044 u | 55.845 u half-life | (stable) | (stable)

| manganese | iron phase at STP | solid | solid melting point | 1246 °C | 1538 °C boiling point | 2061 °C | 2861 °C molar heat of fusion | 13.2 kJ/mol | 13.8 kJ/mol molar heat of vaporization | 220 kJ/mol | 347 kJ/mol specific heat at STP | 479 J/(kg K) | 449 J/(kg K) Néel point | 100 K | (properties at standard conditions)

| manganese | iron density | 7.47 g/cm^3 | 7.874 g/cm^3 liquid density | 5.95 g/cm^3 | 6.98 g/cm^3 molar volume | 7.354 cm^3/mol | 7.092 cm^3/mol Mohs hardness | 6 (≈ microcline) | 4 (≈ fluorite) Vickers hardness | | 608 MPa Brinell hardness | 196 MPa | 490 MPa bulk modulus | 120 GPa | 170 GPa shear modulus | | 82 GPa Young's modulus | 198 GPa | 211 GPa Poisson ratio | | 0.29 tensile yield strength | 241 MPa | 50 MPa ultimate tensile strength | 496 MPa | sound speed | 5150 m/s | 4910 m/s thermal expansion | 2.17×10^-5 K^(-1) | 1.18×10^-5 K^(-1) thermal conductivity | 7.8 W/(m K) | 80 W/(m K) (properties at standard conditions)

| manganese | iron electrical type | conductor | conductor resistivity | 1.6×10^-6 Ω m (ohm meters) | 9.7×10^-8 Ω m (ohm meters) electrical conductivity | 620000 S/m (siemens per meter) | 1×10^7 S/m (siemens per meter) magnetic type | paramagnetic | ferromagnetic volume magnetic susceptibility | 9.0387×10^-4 | mass magnetic susceptibility | 1.21×10^-7 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | 6.6475×10^-9 m^3/mol (cubic meters per mole) | Curie point | | 1043 K (kelvins) Néel point | 100 K (kelvins) | work function | 4.1 eV (Polycrystalline) | (4.67 to 4.81) eV threshold frequency | 9.914×10^14 Hz (hertz) | (1.129×10^15 to 1.163×10^15) Hz (hertz) color | (silver) | (gray)

| manganese | iron valence | 4 | 3 electronegativity | 1.55 | 1.83 electron affinity | 0 kJ/mol (kilojoules per mole) | 15.7 kJ/mol (kilojoules per mole) first ionization energy | 717.3 kJ/mol (kilojoules per mole) | 762.5 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 | 762.5 kJ/mol | 1561.9 kJ/mol | 2957 kJ/mol | 5290 kJ/mol | 7240 kJ/mol | 9560 kJ/mol | 12060 kJ/mol | 14580 kJ/mol | 22540 kJ/mol | 25290 kJ/mol | 28000 kJ/mol | 31920 kJ/mol | 34830 kJ/mol | 37840 kJ/mol | 44100 kJ/mol | 47206 kJ/mol | 122200 kJ/mol | 131000 kJ/mol | 140500 kJ/mol | 152600 kJ/mol | 163000 kJ/mol

Reactivity

| manganese | iron term symbol | ^6S_(5/2) | ^5D_4 atomic radius | 140 pm | 140 pm covalent radius | 139 pm | 132 pm (electronic ground state properties)

| manganese | iron universe abundance | 8×10^-4 mass% | 0.11 mass% solar abundance | 0.001 mass% | 0.1 mass% meteorite abundance | 0.27 mass% | 22 mass% crust abundance | 0.11 mass% | 6.3 mass% ocean abundance | 2×10^-7 mass% | 3×10^-7 mass% human abundance | 2×10^-5 mass% | 0.006 mass% universe molar abundance | 2×10^-5 mol% | 0.002 mol% solar molar abundance | 2×10^-5 mol% | 0.003 mol% meteorite molar abundance | 0.093 mol% | 7.8 mol% ocean molar abundance | 2.3×10^-8 mol% | 3.3×10^-8 mol% crust molar abundance | 0.042 mol% | 2.3 mol% human molar abundance | 2.3×10^-6 mol% | 6.7×10^-4 mol%

| manganese | iron half-life | (stable) | (stable) stable isotopes | Mn-55 (100%) | Fe-56 (91.754%) | Fe-54 (5.845%) | Fe-57 (2.119%) | Fe-58 (0.282%) 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^- | Fe-45: 3/2^+ | Fe-46: 0^+ | Fe-47: 7/2^- | Fe-48: 0^+ | Fe-49: 7/2^- | Fe-50: 0^+ | Fe-51: 5/2^- | Fe-52: 0^+ | Fe-53: 7/2^- | Fe-54: 0^+ | Fe-55: 3/2^- | Fe-56: 0^+ | Fe-57: 1/2^- | Fe-58: 0^+ | Fe-59: 3/2^- | Fe-60: 0^+ | Fe-62: 0^+ | Fe-63: 5/2^- | Fe-64: 0^+ | Fe-65: 1/2^- | Fe-66: 0^+ | Fe-67: 5/2^+ | Fe-68: 0^+ | Fe-69: 1/2^- | Fe-70: 0^+ | Fe-71: 7/2^+ | Fe-72: 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) | Fe-60 (2.6 Myr) | Fe-55 (2.737 yr) | Fe-59 (44.495 days) | Fe-52 (8.275 h) | Fe-53 (8.52 min) | Fe-61 (5.98 min) | Fe-62 (68 s) | Fe-63 (6.1 s) | Fe-64 (2 s) | Fe-65 (1.3 s) | Fe-67 (600 ms) | Fe-66 (440 ms) | Fe-51 (305 ms) | Fe-68 (187 ms) | Fe-50 (155 ms) | Fe-69 (109 ms) | Fe-70 (94 ms) | Fe-49 (64.7 ms) | Fe-48 (44 ms) | Fe-47 (21.8 ms) | Fe-46 (12 ms) | Fe-45 (1.89 ms) | Fe-72 (150 ns) | Fe-71 (150 ns) neutron cross-section | 13.3 b | 2.56 b neutron mass absorption | 0.0083 m^2/kg | 0.0015 m^2/kg

| manganese | iron CAS number | 7439-96-5 | 7439-89-6 PubChem CID number | 23930 | 23925