element types of samarium(II) iodide

samarium(II) iodide | element types

iodine | samarium

Periodic table location

Images

| 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)

| 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)

| 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)

| 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)

| 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

| 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)

| 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% |

| iodine | samarium half-life | (stable) | (stable) stable isotopes | I-127 (100%) | Sm-152 (26.75%) | Sm-154 (22.75%) | Sm-149 (13.82%) | Sm-150 (7.38%) | Sm-144 (3.07%) nuclear spin | I-108: 1^+ | I-109: 1/2^+ | I-110: 1^+ | I-111: 5/2^+ | I-112: 1^+ | I-113: 5/2^+ | I-114: 1^+ | I-115: 5/2^+ | I-116: 1^+ | I-117: 5/2^+ | I-118: 2^- | I-119: 5/2^+ | I-120: 2^- | I-121: 5/2^+ | I-122: 1^+ | I-123: 5/2^+ | I-124: 2^- | I-125: 5/2^+ | I-126: 2^- | I-127: 5/2^+ | I-128: 1^+ | I-129: 7/2^+ | I-130: 5^+ | I-131: 7/2^+ | I-132: 4^+ | I-133: 7/2^+ | I-134: 4^+ | I-135: 7/2^+ | I-136: 1^- | I-137: 7/2^+ | I-138: 2^- | I-139: 7/2^+ | I-140: 4^- | I-141: 7/2^+ | I-142: 2^- | I-143: 7/2^+ | I-144: 1^- | Sm-128: 0^+ | Sm-130: 0^+ | Sm-131: 5/2^+ | Sm-132: 0^+ | Sm-133: 5/2^+ | Sm-134: 0^+ | Sm-136: 0^+ | Sm-137: 9/2^- | Sm-138: 0^+ | Sm-139: 1/2^+ | Sm-140: 0^+ | Sm-141: 1/2^+ | Sm-142: 0^+ | Sm-143: 3/2^+ | Sm-144: 0^+ | Sm-145: 7/2^- | Sm-146: 0^+ | Sm-147: 7/2^- | Sm-148: 0^+ | Sm-149: 7/2^- | Sm-150: 0^+ | Sm-151: 5/2^- | Sm-152: 0^+ | Sm-153: 3/2^+ | Sm-154: 0^+ | Sm-155: 3/2^- | Sm-156: 0^+ | Sm-157: 3/2^- | Sm-158: 0^+ | Sm-159: 5/2^- | Sm-160: 0^+ | Sm-161: 7/2^+ | Sm-162: 0^+ | Sm-163: 1/2^- | Sm-164: 0^+ | Sm-165: 5/2^- unstable isotopes | I-129 (15.7 Myr) | I-125 (59.4 days) | I-126 (12.93 days) | I-131 (8.0252 days) | I-124 (100.2 h) | I-133 (20.8 h) | I-123 (13.2235 h) | I-130 (12.4 h) | I-135 (6.58 h) | I-132 (137.7 min) | I-121 (127.2 min) | I-120 (82 min) | I-134 (52.5 min) | I-128 (24.98 min) | I-119 (19.1 min) | I-118 (13.7 min) | I-122 (218 s) | I-117 (133 s) | I-136 (83.4 s) | I-115 (78 s) | I-137 (24.5 s) | I-113 (6.6 s) | I-138 (6.23 s) | I-112 (3.42 s) | I-116 (2.91 s) | I-111 (2.5 s) | I-139 (2.28 s) | I-114 (2.1 s) | I-140 (860 ms) | I-110 (650 ms) | I-141 (430 ms) | I-142 (200 ms) | I-108 (36 ms) | I-109 (103 µs) | I-144 (300 ns) | I-143 (150 ns) | Sm-148 (7 quadrillion yr) | Sm-147 (106 billion yr) | Sm-146 (0.103 Gyr) | Sm-151 (89 yr) | Sm-145 (340 days) | Sm-153 (46.2833 h) | Sm-156 (9.4 h) | Sm-142 (72.48 min) | Sm-155 (22.33 min) | Sm-140 (14.82 min) | Sm-141 (10.2 min) | Sm-143 (8.75 min) | Sm-157 (8.03 min) | Sm-158 (5.3 min) | Sm-138 (190 s) | Sm-139 (154 s) | Sm-136 (47 s) | Sm-137 (45 s) | Sm-159 (11.37 s) | Sm-135 (10.3 s) | Sm-160 (9.6 s) | Sm-134 (9.5 s) | Sm-161 (4.8 s) | Sm-132 (4 s) | Sm-133 (3.7 s) | Sm-162 (2.4 s) | Sm-131 (1.2 s) | Sm-163 (1 s) | Sm-130 (1 s) | Sm-129 (550 ms) | Sm-164 (500 ms) | Sm-128 (500 ms) | Sm-165 (200 ms) neutron cross-section | 6.2 b | 5900 b neutron mass absorption | 0.0018 m^2/kg | 4.7 m^2/kg

| iodine | samarium CAS number | 7553-56-2 | 7440-19-9 PubChem CID number | 807 | 23951