Input interpretation
scandium (chemical element) | manganese (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| scandium | manganese atomic symbol | Sc | Mn atomic number | 21 | 25 short electronic configuration | [Ar]4s^23d^1 | [Ar]4s^23d^5 Aufbau diagram | 3d 4s | 3d 4s block | d | d group | 3 | 7 period | 4 | 4 atomic mass | 44.955908 u | 54.938044 u half-life | (stable) | (stable)
Thermodynamic properties
| scandium | manganese phase at STP | solid | solid melting point | 1541 °C | 1246 °C boiling point | 2830 °C | 2061 °C molar heat of fusion | 16 kJ/mol | 13.2 kJ/mol molar heat of vaporization | 318 kJ/mol | 220 kJ/mol specific heat at STP | 567 J/(kg K) | 479 J/(kg K) Néel point | | 100 K (properties at standard conditions)
Material properties
| scandium | manganese density | 2.985 g/cm^3 | 7.47 g/cm^3 liquid density | 2.8 g/cm^3 | 5.95 g/cm^3 molar volume | 15.06 cm^3/mol | 7.354 cm^3/mol Mohs hardness | | 6 (≈ microcline) Brinell hardness | 750 MPa | 196 MPa bulk modulus | 57 GPa | 120 GPa shear modulus | 29 GPa | Young's modulus | 74 GPa | 198 GPa Poisson ratio | 0.28 | tensile yield strength | 173 MPa | 241 MPa ultimate tensile strength | 255 MPa | 496 MPa sound speed | | 5150 m/s thermal expansion | 1.02×10^-5 K^(-1) | 2.17×10^-5 K^(-1) thermal conductivity | 16 W/(m K) | 7.8 W/(m K) (properties at standard conditions)
Electromagnetic properties
| scandium | manganese electrical type | conductor | conductor resistivity | 5.5×10^-7 Ω m (ohm meters) | 1.6×10^-6 Ω m (ohm meters) electrical conductivity | 1.8×10^6 S/m (siemens per meter) | 620000 S/m (siemens per meter) magnetic type | paramagnetic | paramagnetic volume magnetic susceptibility | 2.627×10^-4 | 9.0387×10^-4 mass magnetic susceptibility | 8.8×10^-8 m^3/kg (cubic meters per kilogram) | 1.21×10^-7 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 3.956×10^-9 m^3/mol (cubic meters per mole) | 6.6475×10^-9 m^3/mol (cubic meters per mole) Néel point | | 100 K (kelvins) work function | 3.5 eV (Polycrystalline) | 4.1 eV (Polycrystalline) threshold frequency | 8.463×10^14 Hz (hertz) | 9.914×10^14 Hz (hertz) superconducting point | 0.05 K (kelvins) | color | (silver) | (silver)
Reactivity
| scandium | manganese valence | 3 | 4 electronegativity | 1.36 | 1.55 electron affinity | 18.1 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 633.1 kJ/mol (kilojoules per mole) | 717.3 kJ/mol (kilojoules per mole) ionization energies | 633.1 kJ/mol | 1235 kJ/mol | 2388.6 kJ/mol | 7090.6 kJ/mol | 8843 kJ/mol | 10679 kJ/mol | 13310 kJ/mol | 15250 kJ/mol | 17370 kJ/mol | 21726 kJ/mol | 24102 kJ/mol | 66320 kJ/mol | 73010 kJ/mol | 80160 kJ/mol | 89490 kJ/mol | 97400 kJ/mol | 105600 kJ/mol | 117000 kJ/mol | 124270 kJ/mol | 547530 kJ/mol | 582163 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
Reactivity
Atomic properties
| scandium | manganese term symbol | ^2D_(3/2) | ^6S_(5/2) atomic radius | 160 pm | 140 pm covalent radius | 170 pm | 139 pm (electronic ground state properties)
Abundances
| scandium | manganese universe abundance | 3×10^-6 mass% | 8×10^-4 mass% solar abundance | 4×10^-6 mass% | 0.001 mass% meteorite abundance | 6.4×10^-4 mass% | 0.27 mass% crust abundance | 0.0026 mass% | 0.11 mass% ocean abundance | 1.5×10^-10 mass% | 2×10^-7 mass% human abundance | | 2×10^-5 mass% universe molar abundance | 1×10^-7 mol% | 2×10^-5 mol% solar molar abundance | 9.9×10^-8 mol% | 2×10^-5 mol% meteorite molar abundance | 2.9×10^-4 mol% | 0.093 mol% ocean molar abundance | 2.1×10^-11 mol% | 2.3×10^-8 mol% crust molar abundance | 0.0012 mol% | 0.042 mol% human molar abundance | | 2.3×10^-6 mol%
Nuclear properties
| scandium | manganese half-life | (stable) | (stable) stable isotopes | Sc-45 (100%) | Mn-55 (100%) nuclear spin | Sc-37: 7/2^- | Sc-38: 2^- | Sc-39: 7/2^- | Sc-40: 4^- | Sc-41: 7/2^- | Sc-42: 0^+ | Sc-43: 7/2^- | Sc-44: 2^+ | Sc-45: 7/2^- | Sc-46: 4^+ | Sc-47: 7/2^- | Sc-48: 6^+ | Sc-49: 7/2^- | Sc-50: 5^+ | Sc-51: 7/2^- | Sc-52: 3^+ | Sc-53: 7/2^- | Sc-55: 7/2^- | Sc-56: 1^~ | Sc-57: 7/2^- | Sc-58: 3^+ | Sc-59: 7/2^- | Sc-60: 3^+ | 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^- unstable isotopes | Sc-46 (83.78 days) | Sc-47 (80.3806 h) | Sc-48 (43.67 h) | Sc-44 (3.97 h) | Sc-43 (3.8917 h) | Sc-49 (57.17 min) | Sc-50 (102.5 s) | Sc-51 (12.4 s) | Sc-52 (8.2 s) | Sc-53 (3 s) | Sc-42 (681.3 ms) | Sc-41 (596.3 ms) | Sc-54 (360 ms) | Sc-40 (182.3 ms) | Sc-55 (105 ms) | Sc-56 (35 ms) | Sc-57 (13 ms) | Sc-58 (12 ms) | Sc-59 (10 ms) | Sc-60 (3 ms) | Sc-39 (300 ns) | Sc-38 (300 ns) | 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) neutron cross-section | 27.2 b | 13.3 b neutron mass absorption | 0.025 m^2/kg | 0.0083 m^2/kg
Identifiers
| scandium | manganese CAS number | 7440-20-2 | 7439-96-5 PubChem CID number | 23952 | 23930