element types of barium hydride

barium hydride | element types

barium | hydrogen

Periodic table location

Images

| barium | hydrogen atomic symbol | Ba | H atomic number | 56 | 1 short electronic configuration | [Xe]6s^2 | 1s^1 Aufbau diagram | 6s | 1s block | s | s group | 2 | 1 period | 6 | 1 atomic mass | 137.327 u | 1.008 u half-life | (stable) | (stable)

| barium | hydrogen phase at STP | solid | gas melting point | 727 °C | -259.14 °C boiling point | 1870 °C | -252.87 °C critical temperature | (unknown) | 32.97 K critical pressure | (unknown) | 1.293 MPa molar heat of fusion | 8 kJ/mol | 0.558 kJ/mol molar heat of vaporization | 140 kJ/mol | 0.452 kJ/mol specific heat at STP | 205 J/(kg K) | 14300 J/(kg K) adiabatic index | | 7/5 (properties at standard conditions)

| barium | hydrogen density | 3.51 g/cm^3 | 8.99×10^-5 g/cm^3 liquid density | 3.338 g/cm^3 | molar volume | 39.12 cm^3/mol | 11200 cm^3/mol Mohs hardness | 1.25 (between talc and gypsum) | bulk modulus | 9.6 GPa | shear modulus | 4.9 GPa | Young's modulus | 13 GPa | refractive index | (unknown) | 1.000132 sound speed | 1620 m/s | 1270 m/s thermal expansion | 2.06×10^-5 K^(-1) | thermal conductivity | 18 W/(m K) | 0.1805 W/(m K) (properties at standard conditions)

| barium | hydrogen electrical type | conductor | resistivity | 3.5×10^-7 Ω m (ohm meters) | electrical conductivity | 2.9×10^6 S/m (siemens per meter) | magnetic type | paramagnetic | diamagnetic volume magnetic susceptibility | 3.966×10^-5 | -2.23×10^-9 mass magnetic susceptibility | 1.13×10^-8 m^3/kg (cubic meters per kilogram) | -2.48×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 1.552×10^-9 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) work function | 2.52 eV (Polycrystalline) | threshold frequency | 6.093×10^14 Hz (hertz) | color | (silver) | (colorless) refractive index | (unknown) | 1.000132

| barium | hydrogen valence | 2 | 1 electronegativity | 0.89 | 2.2 electron affinity | 13.95 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) first ionization energy | 502.9 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) ionization energies | 502.9 kJ/mol | 965.2 kJ/mol | 3600 kJ/mol | 1312 kJ/mol

Reactivity

| barium | hydrogen term symbol | ^1S_0 | ^2S_(1/2) atomic radius | 215 pm | 25 pm covalent radius | 215 pm | 31 pm van der Waals radius | (unknown) | 120 pm (electronic ground state properties)

| barium | hydrogen universe abundance | 1×10^-6 mass% | 75 mass% solar abundance | 1×10^-6 mass% | 75 mass% meteorite abundance | 2.7×10^-4 mass% | 2.4 mass% crust abundance | 0.034 mass% | 0.15 mass% ocean abundance | 3×10^-6 mass% | 11 mass% human abundance | 3×10^-5 mass% | 10 mass% universe molar abundance | 9×10^-9 mol% | 93 mol% solar molar abundance | 9.9×10^-9 mol% | 93 mol% meteorite molar abundance | 4.1×10^-5 mol% | 17 mol% ocean molar abundance | 1.4×10^-7 mol% | 66 mol% crust molar abundance | 0.0051 mol% | 3.1 mol% human molar abundance | 1.4×10^-6 mol% | 62 mol%

| barium | hydrogen half-life | (stable) | (stable) stable isotopes | Ba-138 (71.698%) | Ba-137 (11.232%) | Ba-136 (7.854%) | Ba-135 (6.592%) | Ba-134 (2.417%) | Ba-130 (0.106%) | Ba-132 (0.101%) | H-1 (99.985%) | H-2 (1.5×10^-4) nuclear spin | Ba-114: 0^+ | Ba-115: 5/2^+ | Ba-116: 0^+ | Ba-117: 3/2^+ | Ba-118: 0^+ | Ba-119: 5/2^+ | Ba-120: 0^+ | Ba-121: 5/2^+ | Ba-122: 0^+ | Ba-123: 5/2^+ | Ba-124: 0^+ | Ba-125: 1/2^+ | Ba-126: 0^+ | Ba-127: 1/2^+ | Ba-128: 0^+ | Ba-129: 1/2^+ | Ba-130: 0^+ | Ba-131: 1/2^+ | Ba-132: 0^+ | Ba-133: 1/2^+ | Ba-134: 0^+ | Ba-135: 3/2^+ | Ba-136: 0^+ | Ba-137: 3/2^+ | Ba-138: 0^+ | Ba-139: 7/2^- | Ba-140: 0^+ | Ba-141: 3/2^- | Ba-142: 0^+ | Ba-143: 5/2^- | Ba-144: 0^+ | Ba-145: 5/2^- | Ba-146: 0^+ | Ba-147: 3/2^+ | Ba-148: 0^+ | Ba-149: 3/2^- | Ba-150: 0^+ | Ba-151: 3/2^- | Ba-152: 0^+ | Ba-153: 5/2^- | H-1: 1/2^+ | H-2: 1^+ | H-3: 1/2^+ | H-4: 2^- | H-5: 1/2^+ | H-6: 2^- | H-7: 1/2^+ unstable isotopes | Ba-133 (10.52 yr) | Ba-140 (12.752 days) | Ba-131 (11.5 days) | Ba-128 (58 h) | Ba-129 (133.8 min) | Ba-126 (100 min) | Ba-139 (83.06 min) | Ba-141 (18.27 min) | Ba-127 (12.7 min) | Ba-124 (11 min) | Ba-142 (10.6 min) | Ba-125 (210 s) | Ba-123 (160 s) | Ba-122 (117 s) | Ba-121 (29.7 s) | Ba-120 (24 s) | Ba-143 (14.5 s) | Ba-144 (11.5 s) | Ba-119 (5.4 s) | Ba-118 (5.5 s) | Ba-145 (4.31 s) | Ba-146 (2.22 s) | Ba-117 (1.75 s) | Ba-116 (1.3 s) | Ba-147 (893 ms) | Ba-148 (612 ms) | Ba-115 (450 ms) | Ba-114 (430 ms) | Ba-149 (344 ms) | Ba-150 (300 ms) | Ba-152 (100 ms) | Ba-153 (80 ms) | Ba-151 (300 ns) | H-3 (12.32 yr) | H-6 (0.29 zs) | H-4 (0.139 zs) | H-5 (0.08 zs) | H-7 (0.023 zs) neutron cross-section | 1.3 b | 0.332 b neutron mass absorption | 2.7×10^-4 m^2/kg | 0.011 m^2/kg

| barium | hydrogen CAS number | 7440-39-3 | 1333-74-0 PubChem CID number | 5355457 | 783