manganese vs iodine vs niobium

manganese (chemical element) | iodine (chemical element) | niobium (chemical element)

Periodic table location

Images

| manganese | iodine | niobium atomic symbol | Mn | I | Nb atomic number | 25 | 53 | 41 short electronic configuration | [Ar]4s^23d^5 | [Kr]5s^24d^105p^5 | [Kr]5s^14d^4 Aufbau diagram | 3d 4s | 5p 4d 5s | 4d 5s block | d | p | d group | 7 | 17 | 5 period | 4 | 5 | 5 atomic mass | 54.938044 u | 126.90447 u | 92.90637 u half-life | (stable) | (stable) | (stable)

| manganese | iodine | niobium phase at STP | solid | solid | solid melting point | 1246 °C | 113.7 °C | 2477 °C boiling point | 2061 °C | 184.3 °C | 4744 °C critical temperature | | 819 K | critical pressure | | 11.7 MPa | molar heat of fusion | 13.2 kJ/mol | 7.76 kJ/mol | 26.8 kJ/mol molar heat of vaporization | 220 kJ/mol | 20.9 kJ/mol | 690 kJ/mol specific heat at STP | 479 J/(kg K) | 429 J/(kg K) | 265 J/(kg K) Néel point | 100 K | | (properties at standard conditions)

| manganese | iodine | niobium density | 7.47 g/cm^3 | 4.94 g/cm^3 | 8.57 g/cm^3 liquid density | 5.95 g/cm^3 | | molar volume | 7.354 cm^3/mol | 25.69 cm^3/mol | 10.84 cm^3/mol Mohs hardness | 6 (≈ microcline) | | 6 (≈ microcline) Vickers hardness | | | 1320 MPa Brinell hardness | 196 MPa | | 736 MPa bulk modulus | 120 GPa | 7.7 GPa | 170 GPa shear modulus | | | 38 GPa Young's modulus | 198 GPa | | 105 GPa Poisson ratio | | | 0.4 tensile yield strength | 241 MPa | | ultimate tensile strength | 496 MPa | | sound speed | 5150 m/s | | 3480 m/s thermal expansion | 2.17×10^-5 K^(-1) | | 7.3×10^-6 K^(-1) thermal conductivity | 7.8 W/(m K) | 0.449 W/(m K) | 54 W/(m K) (properties at standard conditions)

| manganese | iodine | niobium electrical type | conductor | insulator | conductor resistivity | 1.6×10^-6 Ω m (ohm meters) | 1×10^7 Ω m (ohm meters) | 1.5×10^-7 Ω m (ohm meters) electrical conductivity | 620000 S/m (siemens per meter) | 1×10^-7 S/m (siemens per meter) | 6.7×10^6 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic | paramagnetic volume magnetic susceptibility | 9.0387×10^-4 | -2.22×10^-5 | 2.37×10^-4 mass magnetic susceptibility | 1.21×10^-7 m^3/kg (cubic meters per kilogram) | -4.5×10^-9 m^3/kg (cubic meters per kilogram) | 2.76×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 6.6475×10^-9 m^3/mol (cubic meters per mole) | -1.14×10^-9 m^3/mol (cubic meters per mole) | 2.56×10^-9 m^3/mol (cubic meters per mole) Néel point | 100 K (kelvins) | | work function | 4.1 eV (Polycrystalline) | | (3.95 to 4.87) eV threshold frequency | 9.914×10^14 Hz (hertz) | | (9.551×10^14 to 1.178×10^15) Hz (hertz) superconducting point | | | 9.25 K (kelvins) color | (silver) | (slate gray) | (gray)

| manganese | iodine | niobium valence | 4 | 7 | 5 electronegativity | 1.55 | 2.66 | 1.6 electron affinity | 0 kJ/mol (kilojoules per mole) | 295.2 kJ/mol (kilojoules per mole) | 86.1 kJ/mol (kilojoules per mole) first ionization energy | 717.3 kJ/mol (kilojoules per mole) | 1008.4 kJ/mol (kilojoules per mole) | 652.1 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 | 1008.4 kJ/mol | 1845.9 kJ/mol | 3180 kJ/mol | 652.1 kJ/mol | 1380 kJ/mol | 2416 kJ/mol | 3700 kJ/mol | 4877 kJ/mol | 9847 kJ/mol | 12100 kJ/mol

Reactivity

| manganese | iodine | niobium term symbol | ^6S_(5/2) | ^2P_(3/2) | ^6D_(1/2) atomic radius | 140 pm | 140 pm | 145 pm covalent radius | 139 pm | 139 pm | 164 pm van der Waals radius | | 198 pm | (electronic ground state properties)

| manganese | iodine | niobium universe abundance | 8×10^-4 mass% | 1×10^-7 mass% | 2×10^-7 mass% solar abundance | 0.001 mass% | | 4×10^-7 mass% meteorite abundance | 0.27 mass% | 2.5×10^-5 mass% | 1.9×10^-5 mass% crust abundance | 0.11 mass% | 4.9×10^-5 mass% | 0.0017 mass% ocean abundance | 2×10^-7 mass% | 6×10^-6 mass% | 1×10^-10 mass% human abundance | 2×10^-5 mass% | 2×10^-5 mass% | universe molar abundance | 2×10^-5 mol% | 1×10^-9 mol% | 0 mol% solar molar abundance | 2×10^-5 mol% | | 5×10^-9 mol% meteorite molar abundance | 0.093 mol% | 3×10^-6 mol% | 3×10^-6 mol% ocean molar abundance | 2.3×10^-8 mol% | 2.9×10^-7 mol% | 6.7×10^-12 mol% crust molar abundance | 0.042 mol% | 8×10^-6 mol% | 3.7×10^-4 mol% human molar abundance | 2.3×10^-6 mol% | 1×10^-6 mol% |