element types of lanthanum sulfide

lanthanum sulfide | element types

lanthanum | sulfur

Periodic table location

Images

| lanthanum | sulfur atomic symbol | La | S atomic number | 57 | 16 short electronic configuration | [Xe]6s^25d^1 | [Ne]3s^23p^4 Aufbau diagram | 5d 6s | 3p 3s block | f | p group | | 16 period | 6 | 3 atomic mass | 138.90547 u | 32.06 u half-life | (stable) | (stable)

| lanthanum | sulfur phase at STP | solid | solid melting point | 920 °C | 115.21 °C boiling point | 3464 °C | 444.72 °C critical temperature | | 1314 K critical pressure | | 20.7 MPa molar heat of fusion | 6.2 kJ/mol | 1.73 kJ/mol molar heat of vaporization | 400 kJ/mol | 9.8 kJ/mol specific heat at STP | 195 J/(kg K) | 705 J/(kg K) (properties at standard conditions)

| lanthanum | sulfur density | 6.146 g/cm^3 | 1.96 g/cm^3 liquid density | 5.94 g/cm^3 | 1.819 g/cm^3 molar volume | 22.6 cm^3/mol | 16.36 cm^3/mol Mohs hardness | 2.5 (between gypsum and calcite) | 2 (≈ gypsum) Vickers hardness | 491 MPa | Brinell hardness | 363 MPa | bulk modulus | 28 GPa | 7.7 GPa shear modulus | 14 GPa | Young's modulus | 37 GPa | Poisson ratio | 0.28 | tensile yield strength | 125 MPa | ultimate tensile strength | 130 MPa | refractive index | | 1.001111 sound speed | 2475 m/s | thermal expansion | 1.21×10^-5 K^(-1) | thermal conductivity | 13 W/(m K) | 0.205 W/(m K) (properties at standard conditions)

| lanthanum | sulfur electrical type | conductor | insulator resistivity | 6.1×10^-7 Ω m (ohm meters) | 1×10^15 Ω m (ohm meters) electrical conductivity | 1.6×10^6 S/m (siemens per meter) | 1×10^-15 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic volume magnetic susceptibility | 6.761×10^-5 | -1.22×10^-5 mass magnetic susceptibility | 1.1×10^-8 m^3/kg (cubic meters per kilogram) | -6.2×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.528×10^-9 m^3/mol (cubic meters per mole) | -1.99×10^-10 m^3/mol (cubic meters per mole) work function | 3.5 eV (Polycrystalline) | threshold frequency | 8.463×10^14 Hz (hertz) | superconducting point | 4.88 K (kelvins) | color | (silver) | (yellow) refractive index | | 1.001111

| lanthanum | sulfur valence | 3 | 6 electronegativity | 1.1 | 2.58 electron affinity | 48 kJ/mol (kilojoules per mole) | 200 kJ/mol (kilojoules per mole) first ionization energy | 538.1 kJ/mol (kilojoules per mole) | 999.6 kJ/mol (kilojoules per mole) ionization energies | 538.1 kJ/mol | 1067 kJ/mol | 1850.3 kJ/mol | 4819 kJ/mol | 5940 kJ/mol | 999.6 kJ/mol | 2252 kJ/mol | 3357 kJ/mol | 4556 kJ/mol | 7004.3 kJ/mol | 8495.8 kJ/mol | 27107 kJ/mol | 31719 kJ/mol | 36621 kJ/mol | 43177 kJ/mol

Reactivity

| lanthanum | sulfur term symbol | ^2D_(3/2) | ^3P_2 atomic radius | 195 pm | 100 pm covalent radius | 207 pm | 105 pm van der Waals radius | | 180 pm (electronic ground state properties)

| lanthanum | sulfur universe abundance | 2×10^-7 mass% | 0.05 mass% solar abundance | 2×10^-7 mass% | 0.04 mass% meteorite abundance | 2.8×10^-5 mass% | 4 mass% crust abundance | 0.0034 mass% | 0.042 mass% ocean abundance | 3.4×10^-10 mass% | 0.093 mass% human abundance | | 0.2 mass% universe molar abundance | 2×10^-9 mol% | 0.002 mol% solar molar abundance | 9.9×10^-10 mol% | 9.9×10^-4 mol% meteorite molar abundance | 4×10^-6 mol% | 2.2 mol% ocean molar abundance | 1.5×10^-11 mol% | 0.018 mol% crust molar abundance | 5×10^-4 mol% | 0.027 mol% human molar abundance | | 0.039 mol%

| lanthanum | sulfur half-life | (stable) | (stable) stable isotopes | La-139 (99.91%) | S-32 (95.02%) | S-34 (4.21%) | S-33 (0.75%) | S-36 (2×10^-4) nuclear spin | La-119: 11/2^- | La-121: 11/2^- | La-123: 11/2^- | La-125: 11/2^- | La-126: 5^+ | La-127: 11/2^- | La-128: 5^+ | La-129: 3/2^+ | La-130: 3^+ | La-131: 3/2^+ | La-132: 2^- | La-133: 5/2^+ | La-134: 1^+ | La-135: 5/2^+ | La-136: 1^+ | La-137: 7/2^+ | La-138: 5^+ | La-139: 7/2^+ | La-140: 3^- | La-141: 7/2^+ | La-142: 2^- | La-143: 7/2^+ | La-144: 3^- | La-145: 5/2^+ | La-146: 2^- | La-147: 5/2^+ | La-148: 2^- | La-149: 3/2^- | La-150: 3^- | La-151: 5/2^+ | La-153: 5/2^+ | La-155: 5/2^+ | S-26: 0^+ | S-27: 5/2^+ | S-28: 0^+ | S-29: 5/2^+ | S-30: 0^+ | S-31: 1/2^+ | S-32: 0^+ | S-33: 3/2^+ | S-34: 0^+ | S-35: 3/2^+ | S-36: 0^+ | S-37: 7/2^- | S-38: 0^+ | S-39: 7/2^- | S-40: 0^+ | S-41: 7/2^- | S-42: 0^+ | S-43: 3/2^- | S-44: 0^+ | S-45: 3/2^- | S-46: 0^+ | S-47: 3/2^- | S-48: 0^+ | S-49: 3/2^- unstable isotopes | La-138 (102 billion yr) | La-137 (60000 yr) | La-140 (40.2852 h) | La-135 (19.5 h) | La-132 (4.7 h) | La-141 (3.92 h) | La-133 (3.9111 h) | La-142 (91.17 min) | La-131 (58 min) | La-143 (14.2 min) | La-129 (11.6 min) | La-136 (9.87 min) | La-130 (8.67 min) | La-134 (6.45 min) | La-128 (5.18 min) | La-127 (5.17 min) | La-125 (64.8 s) | La-126 (54 s) | La-144 (40.8 s) | La-124 (29.21 s) | La-145 (24.8 s) | La-123 (17 s) | La-122 (8.7 s) | La-146 (6.27 s) | La-121 (5.3 s) | La-147 (4.015 s) | La-120 (2.8 s) | La-119 (2 s) | La-148 (1.26 s) | La-149 (1.05 s) | La-118 (1 s) | La-150 (510 ms) | La-154 (100 ms) | La-155 (60 ms) | La-117 (23.5 ms) | La-151 (300 ns) | La-152 (150 ns) | La-153 (100 ns) | S-35 (87.51 days) | S-38 (170.33 min) | S-37 (5.05 min) | S-39 (11.5 s) | S-40 (8.8 s) | S-31 (2.572 s) | S-41 (1.99 s) | S-30 (1.178 s) | S-42 (1.013 s) | S-43 (280 ms) | S-29 (187 ms) | S-28 (125 ms) | S-44 (100 ms) | S-45 (68 ms) | S-46 (50 ms) | S-47 (20 ms) | S-27 (15.5 ms) | S-26 (10 ms) | S-49 (200 ns) | S-48 (200 ns) neutron cross-section | 8.98 b | 0.52 b neutron mass absorption | 0.0023 m^2/kg | 5.5×10^-4 m^2/kg

| lanthanum | sulfur CAS number | 7439-91-0 | 7704-34-9 PubChem CID number | 23926 |