Input interpretation
samarium(II) iodide | element types
Result
iodine | samarium
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| iodine | samarium atomic symbol | I | Sm atomic number | 53 | 62 short electronic configuration | [Kr]5s^24d^105p^5 | [Xe]6s^24f^6 Aufbau diagram | 5p 4d 5s | 4f 6s block | p | f group | 17 | period | 5 | 6 atomic mass | 126.90447 u | 150.36 u half-life | (stable) | (stable)
Thermodynamic properties
| iodine | samarium phase at STP | solid | solid melting point | 113.7 °C | 1072 °C boiling point | 184.3 °C | 1803 °C critical temperature | 819 K | critical pressure | 11.7 MPa | molar heat of fusion | 7.76 kJ/mol | 8.6 kJ/mol molar heat of vaporization | 20.9 kJ/mol | 175 kJ/mol specific heat at STP | 429 J/(kg K) | 196 J/(kg K) Néel point | | 106 K (properties at standard conditions)
Material properties
| iodine | samarium density | 4.94 g/cm^3 | 7.353 g/cm^3 liquid density | | 7.16 g/cm^3 molar volume | 25.69 cm^3/mol | 20.45 cm^3/mol Mohs hardness | | 1.4 (between talc and gypsum) Vickers hardness | | 412 MPa Brinell hardness | | 441 MPa bulk modulus | 7.7 GPa | 38 GPa shear modulus | | 20 GPa Young's modulus | | 50 GPa Poisson ratio | | 0.27 tensile yield strength | | 90 MPa ultimate tensile strength | | 138 MPa sound speed | | 2130 m/s thermal expansion | | 1.27×10^-5 K^(-1) thermal conductivity | 0.449 W/(m K) | 13 W/(m K) (properties at standard conditions)
Electromagnetic properties
| iodine | samarium electrical type | insulator | conductor resistivity | 1×10^7 Ω m (ohm meters) | 9.4×10^-7 Ω m (ohm meters) electrical conductivity | 1×10^-7 S/m (siemens per meter) | 1.1×10^6 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic volume magnetic susceptibility | -2.22×10^-5 | 8.1618×10^-4 mass magnetic susceptibility | -4.5×10^-9 m^3/kg (cubic meters per kilogram) | 1.11×10^-7 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -1.14×10^-9 m^3/mol (cubic meters per mole) | 1.669×10^-8 m^3/mol (cubic meters per mole) Néel point | | 106 K (kelvins) work function | | 2.7 eV (Polycrystalline) threshold frequency | | 6.529×10^14 Hz (hertz) color | (slate gray) | (silver)
Reactivity
| iodine | samarium valence | 7 | 3 electronegativity | 2.66 | 1.17 electron affinity | 295.2 kJ/mol (kilojoules per mole) | 50 kJ/mol (kilojoules per mole) first ionization energy | 1008.4 kJ/mol (kilojoules per mole) | 544.5 kJ/mol (kilojoules per mole) ionization energies | 1008.4 kJ/mol | 1845.9 kJ/mol | 3180 kJ/mol | 544.5 kJ/mol | 1070 kJ/mol | 2260 kJ/mol | 3990 kJ/mol
Reactivity
Atomic properties
| iodine | samarium term symbol | ^2P_(3/2) | ^7F_0 atomic radius | 140 pm | 185 pm covalent radius | 139 pm | 198 pm van der Waals radius | 198 pm | (electronic ground state properties)
Abundances
| iodine | samarium universe abundance | 1×10^-7 mass% | 5×10^-7 mass% solar abundance | | 1×10^-7 mass% meteorite abundance | 2.5×10^-5 mass% | 1.7×10^-5 mass% crust abundance | 4.9×10^-5 mass% | 6×10^-4 mass% ocean abundance | 6×10^-6 mass% | 4.5×10^-11 mass% human abundance | 2×10^-5 mass% | universe molar abundance | 1×10^-9 mol% | 4×10^-9 mol% solar molar abundance | | 9.9×10^-10 mol% meteorite molar abundance | 3×10^-6 mol% | 2×10^-6 mol% ocean molar abundance | 2.9×10^-7 mol% | 1.9×10^-12 mol% crust molar abundance | 8×10^-6 mol% | 8.2×10^-5 mol% human molar abundance | 1×10^-6 mol% |