element types of tantalum(V) bromide

tantalum(V) bromide | element types

bromine | tantalum

Periodic table location

Images

| bromine | tantalum atomic symbol | Br | Ta atomic number | 35 | 73 short electronic configuration | [Ar]4s^23d^104p^5 | [Xe]6s^24f^145d^3 Aufbau diagram | 4p 3d 4s | 5d 4f 6s block | p | d group | 17 | 5 period | 4 | 6 atomic mass | 79.904 u | 180.94788 u half-life | (stable) | (stable)

| bromine | tantalum phase at STP | liquid | solid melting point | -7.3 °C | 3017 °C boiling point | 59 °C | 5458 °C critical temperature | 588 K | critical pressure | 10.34 MPa | molar heat of fusion | 5.8 kJ/mol | 36 kJ/mol molar heat of vaporization | 14.8 kJ/mol | 735 kJ/mol specific heat at STP | 947.3 J/(kg K) | 140 J/(kg K) (properties at standard conditions)

| bromine | tantalum density | 3.12 g/cm^3 | 16.65 g/cm^3 liquid density | 3.12 g/cm^3 | 15 g/cm^3 molar volume | 25.61 cm^3/mol | 10.868 cm^3/mol Mohs hardness | | 6.5 (between microcline and quartz) Vickers hardness | | 873 MPa Brinell hardness | | 800 MPa bulk modulus | 1.9 GPa | 200 GPa shear modulus | | 69 GPa Young's modulus | | 186 GPa Poisson ratio | | 0.34 refractive index | 1.001132 | sound speed | | 3400 m/s thermal expansion | | 6.3×10^-6 K^(-1) thermal conductivity | 0.12 W/(m K) | 57 W/(m K) (properties at standard conditions)

| bromine | tantalum electrical type | insulator | conductor resistivity | 1×10^10 Ω m (ohm meters) | 1.3×10^-7 Ω m (ohm meters) electrical conductivity | 1×10^-10 S/m (siemens per meter) | 7.7×10^6 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic volume magnetic susceptibility | -1.53×10^-5 | 1.782×10^-4 mass magnetic susceptibility | -4.9×10^-9 m^3/kg (cubic meters per kilogram) | 1.07×10^-8 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -7.83×10^-10 m^3/mol (cubic meters per mole) | 1.936×10^-9 m^3/mol (cubic meters per mole) work function | | (4 to 4.8) eV threshold frequency | | (9.672×10^14 to 1.161×10^15) Hz (hertz) superconducting point | | 4.47 K (kelvins) color | (red) | (gray) refractive index | 1.001132 |

| bromine | tantalum valence | 5 | 5 electronegativity | 2.96 | 1.5 electron affinity | 324.6 kJ/mol (kilojoules per mole) | 31 kJ/mol (kilojoules per mole) first ionization energy | 1139.9 kJ/mol (kilojoules per mole) | 761 kJ/mol (kilojoules per mole) ionization energies | 1139.9 kJ/mol | 2103 kJ/mol | 3470 kJ/mol | 4560 kJ/mol | 5760 kJ/mol | 8550 kJ/mol | 9940 kJ/mol | 18600 kJ/mol | 761 kJ/mol | 1500 kJ/mol

Reactivity

| bromine | tantalum term symbol | ^2P_(3/2) | ^4F_(3/2) atomic radius | 115 pm | 145 pm covalent radius | 120 pm | 170 pm van der Waals radius | 185 pm | (electronic ground state properties)

| bromine | tantalum universe abundance | 7×10^-7 mass% | 8×10^-9 mass% meteorite abundance | 1.2×10^-4 mass% | 2×10^-6 mass% crust abundance | 3×10^-4 mass% | 1.7×10^-4 mass% ocean abundance | 0.0067 mass% | 2×10^-10 mass% human abundance | 2.9×10^-4 mass% | universe molar abundance | 1×10^-8 mol% | 6×10^-11 mol% meteorite molar abundance | 2.3×10^-5 mol% | 2×10^-7 mol% ocean molar abundance | 5.2×10^-4 mol% | 6.8×10^-12 mol% crust molar abundance | 7.8×10^-5 mol% | 1.9×10^-5 mol% human molar abundance | 2.3×10^-5 mol% |

| bromine | tantalum half-life | (stable) | (stable) stable isotopes | Br-79 (50.69%) | Br-81 (49.31%) | Ta-181 (99.988%) nuclear spin | Br-67: 1/2^- | Br-68: 3^+ | Br-69: 1/2^- | Br-70: 0^+ | Br-71: 5/2^- | Br-72: 1^+ | Br-73: 1/2^- | Br-74: 0^- | Br-75: 3/2^- | Br-76: 1^- | Br-77: 3/2^- | Br-78: 1^+ | Br-79: 3/2^- | Br-80: 1^+ | Br-81: 3/2^- | Br-82: 5^- | Br-83: 3/2^- | Br-84: 2^- | Br-85: 3/2^- | Br-86: 2^- | Br-87: 3/2^- | Br-88: 2^- | Br-91: 3/2^- | Br-92: 2^- | Br-93: 5/2^- | Br-95: 3/2^- | Br-97: 3/2^- | Ta-155: 11/2^- | Ta-156: 2^- | Ta-157: 1/2^+ | Ta-158: 2^- | Ta-159: 1/2^- | Ta-160: 2^- | Ta-161: 1/2^+ | Ta-162: 3^+ | Ta-163: 1/2^+ | Ta-164: 3^+ | Ta-165: 5/2^- | Ta-166: 2^+ | Ta-167: 3/2^+ | Ta-169: 5/2^+ | Ta-170: 3^+ | Ta-171: 5/2^- | Ta-172: 3^+ | Ta-173: 5/2^- | Ta-174: 3^+ | Ta-175: 7/2^+ | Ta-176: 1^- | Ta-177: 7/2^+ | Ta-178: 7^- | Ta-179: 7/2^+ | Ta-180: 1^+ | Ta-181: 7/2^+ | Ta-182: 3^- | Ta-183: 7/2^+ | Ta-184: 5^- | Ta-185: 7/2^+ | Ta-187: 7/2^+ | Ta-189: 7/2^+ unstable isotopes | Br-77 (57.0361 h) | Br-82 (35.2833 h) | Br-76 (16.2 h) | Br-83 (140 min) | Br-75 (97 min) | Br-84 (31.8 min) | Br-74 (25.4 min) | Br-80 (17.68 min) | Br-78 (6.47 min) | Br-73 (200 s) | Br-85 (174 s) | Br-72 (78.6 s) | Br-87 (55.65 s) | Br-86 (55.1 s) | Br-71 (21.4 s) | Br-88 (16.29 s) | Br-89 (4.4 s) | Br-90 (1.91 s) | Br-91 (541 ms) | Br-92 (343 ms) | Br-93 (102 ms) | Br-70 (79.1 ms) | Br-94 (70 ms) | Br-68 (1.2 µs) | Br-97 (150 ns) | Br-96 (150 ns) | Br-95 (150 ns) | Br-69 (24 ns) | Ta-179 (1.82 yr) | Ta-182 (114.43 days) | Ta-183 (120 h) | Ta-177 (56.56 h) | Ta-175 (10.5 h) | Ta-184 (8.6 h) | Ta-180 (8.1528 h) | Ta-176 (8.08 h) | Ta-173 (188 min) | Ta-178 (142 min) | Ta-174 (68 min) | Ta-185 (49.33 min) | Ta-172 (36.83 min) | Ta-171 (23 min) | Ta-186 (10.5 min) | Ta-170 (6.77 min) | Ta-169 (4.83 min) | Ta-187 (120 s) | Ta-168 (120 s) | Ta-167 (79.8 s) | Ta-166 (34.4 s) | Ta-165 (31 s) | Ta-188 (20 s) | Ta-164 (14.2 s) | Ta-163 (10.6 s) | Ta-162 (3.57 s) | Ta-189 (3 s) | Ta-161 (3 s) | Ta-160 (1.55 s) | Ta-159 (830 ms) | Ta-190 (300 ms) | Ta-156 (144 ms) | Ta-158 (55 ms) | Ta-157 (10.1 ms) | Ta-155 (13 µs) neutron cross-section | 6.8 b | 20.5 b neutron mass absorption | 0.002 m^2/kg | 0.0041 m^2/kg

| bromine | tantalum CAS number | 7726-95-6 | 7440-25-7 PubChem CID number | 24408 | 23956