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element types of aluminum dodecaboride

Input interpretation

aluminum dodecaboride | element types
aluminum dodecaboride | element types

Result

aluminum | boron
aluminum | boron

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| aluminum | boron atomic symbol | Al | B atomic number | 13 | 5 short electronic configuration | [Ne]3s^23p^1 | [He]2s^22p^1 Aufbau diagram | 3p 3s | 2p 2s block | p | p group | 13 | 13 period | 3 | 2 atomic mass | 26.9815385 u | 10.81 u half-life | (stable) | (stable)
| aluminum | boron atomic symbol | Al | B atomic number | 13 | 5 short electronic configuration | [Ne]3s^23p^1 | [He]2s^22p^1 Aufbau diagram | 3p 3s | 2p 2s block | p | p group | 13 | 13 period | 3 | 2 atomic mass | 26.9815385 u | 10.81 u half-life | (stable) | (stable)

Thermodynamic properties

| aluminum | boron phase at STP | solid | solid melting point | 660.32 °C | 2075 °C boiling point | 2519 °C | 4000 °C molar heat of fusion | 10.7 kJ/mol | 50 kJ/mol molar heat of vaporization | 293 kJ/mol | 507 kJ/mol specific heat at STP | 904 J/(kg K) | 1030 J/(kg K) (properties at standard conditions)
| aluminum | boron phase at STP | solid | solid melting point | 660.32 °C | 2075 °C boiling point | 2519 °C | 4000 °C molar heat of fusion | 10.7 kJ/mol | 50 kJ/mol molar heat of vaporization | 293 kJ/mol | 507 kJ/mol specific heat at STP | 904 J/(kg K) | 1030 J/(kg K) (properties at standard conditions)

Material properties

| aluminum | boron density | 2.7 g/cm^3 | 2.46 g/cm^3 liquid density | 2.375 g/cm^3 | 2.08 g/cm^3 molar volume | 10 cm^3/mol | 4.394 cm^3/mol Mohs hardness | 2.75 (between calcite and gypsum) | 9.3 (between corundum and diamond) Vickers hardness | 167 MPa | 49000 MPa Brinell hardness | 245 MPa | bulk modulus | 76 GPa | 320 GPa shear modulus | 26 GPa | Young's modulus | 70 GPa | Poisson ratio | 0.35 | ultimate tensile strength | | 2 MPa sound speed | 5100 m/s | 16200 m/s thermal expansion | 2.31×10^-5 K^(-1) | 6×10^-6 K^(-1) thermal conductivity | 235 W/(m K) | 27 W/(m K) (properties at standard conditions)
| aluminum | boron density | 2.7 g/cm^3 | 2.46 g/cm^3 liquid density | 2.375 g/cm^3 | 2.08 g/cm^3 molar volume | 10 cm^3/mol | 4.394 cm^3/mol Mohs hardness | 2.75 (between calcite and gypsum) | 9.3 (between corundum and diamond) Vickers hardness | 167 MPa | 49000 MPa Brinell hardness | 245 MPa | bulk modulus | 76 GPa | 320 GPa shear modulus | 26 GPa | Young's modulus | 70 GPa | Poisson ratio | 0.35 | ultimate tensile strength | | 2 MPa sound speed | 5100 m/s | 16200 m/s thermal expansion | 2.31×10^-5 K^(-1) | 6×10^-6 K^(-1) thermal conductivity | 235 W/(m K) | 27 W/(m K) (properties at standard conditions)

Electromagnetic properties

| aluminum | boron electrical type | conductor | insulator resistivity | 2.6×10^-8 Ω m (ohm meters) | 10000 Ω m (ohm meters) electrical conductivity | 3.8×10^7 S/m (siemens per meter) | 1×10^-4 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic volume magnetic susceptibility | 2.11×10^-5 | -2.14×10^-5 mass magnetic susceptibility | 7.8×10^-9 m^3/kg (cubic meters per kilogram) | -8.7×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 2.1×10^-10 m^3/mol (cubic meters per mole) | -9.41×10^-11 m^3/mol (cubic meters per mole) work function | (4.06 to 4.26) eV | 4.45 eV (Polycrystalline) threshold frequency | (9.817×10^14 to 1.03×10^15) Hz (hertz) | 1.076×10^15 Hz (hertz) superconducting point | 1.175 K (kelvins) | color | (silver) | (black)
| aluminum | boron electrical type | conductor | insulator resistivity | 2.6×10^-8 Ω m (ohm meters) | 10000 Ω m (ohm meters) electrical conductivity | 3.8×10^7 S/m (siemens per meter) | 1×10^-4 S/m (siemens per meter) magnetic type | paramagnetic | diamagnetic volume magnetic susceptibility | 2.11×10^-5 | -2.14×10^-5 mass magnetic susceptibility | 7.8×10^-9 m^3/kg (cubic meters per kilogram) | -8.7×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | 2.1×10^-10 m^3/mol (cubic meters per mole) | -9.41×10^-11 m^3/mol (cubic meters per mole) work function | (4.06 to 4.26) eV | 4.45 eV (Polycrystalline) threshold frequency | (9.817×10^14 to 1.03×10^15) Hz (hertz) | 1.076×10^15 Hz (hertz) superconducting point | 1.175 K (kelvins) | color | (silver) | (black)

Reactivity

| aluminum | boron valence | 3 | 3 electronegativity | 1.61 | 2.04 electron affinity | 42.5 kJ/mol (kilojoules per mole) | 26.7 kJ/mol (kilojoules per mole) first ionization energy | 577.5 kJ/mol (kilojoules per mole) | 800.6 kJ/mol (kilojoules per mole) ionization energies | 577.5 kJ/mol | 1816.7 kJ/mol | 2744.8 kJ/mol | 11577 kJ/mol | 14842 kJ/mol | 18379 kJ/mol | 23326 kJ/mol | 27465 kJ/mol | 31853 kJ/mol | 38473 kJ/mol | 800.6 kJ/mol | 2427.1 kJ/mol | 3659.7 kJ/mol | 25025.8 kJ/mol | 32826.7 kJ/mol
| aluminum | boron valence | 3 | 3 electronegativity | 1.61 | 2.04 electron affinity | 42.5 kJ/mol (kilojoules per mole) | 26.7 kJ/mol (kilojoules per mole) first ionization energy | 577.5 kJ/mol (kilojoules per mole) | 800.6 kJ/mol (kilojoules per mole) ionization energies | 577.5 kJ/mol | 1816.7 kJ/mol | 2744.8 kJ/mol | 11577 kJ/mol | 14842 kJ/mol | 18379 kJ/mol | 23326 kJ/mol | 27465 kJ/mol | 31853 kJ/mol | 38473 kJ/mol | 800.6 kJ/mol | 2427.1 kJ/mol | 3659.7 kJ/mol | 25025.8 kJ/mol | 32826.7 kJ/mol
Reactivity
Reactivity

Atomic properties

| aluminum | boron term symbol | ^2P_(1/2) | ^2P_(1/2) atomic radius | 125 pm | 85 pm covalent radius | 121 pm | 84 pm (electronic ground state properties)
| aluminum | boron term symbol | ^2P_(1/2) | ^2P_(1/2) atomic radius | 125 pm | 85 pm covalent radius | 121 pm | 84 pm (electronic ground state properties)

Abundances

| aluminum | boron universe abundance | 0.005 mass% | 1×10^-7 mass% solar abundance | 0.006 mass% | 2×10^-7 mass% meteorite abundance | 0.91 mass% | 1.6×10^-4 mass% crust abundance | 8.1 mass% | 8.6×10^-4 mass% ocean abundance | 5×10^-7 mass% | 4.4×10^-4 mass% human abundance | 9×10^-5 mass% | 7×10^-5 mass% universe molar abundance | 2×10^-4 mol% | 1×10^-8 mol% solar molar abundance | 3×10^-4 mol% | 2×10^-8 mol% meteorite molar abundance | 0.67 mol% | 3×10^-4 mol% ocean molar abundance | 1.1×10^-7 mol% | 2.5×10^-4 mol% crust molar abundance | 6.3 mol% | 0.0017 mol% human molar abundance | 2.1×10^-5 mol% | 4.1×10^-5 mol%
| aluminum | boron universe abundance | 0.005 mass% | 1×10^-7 mass% solar abundance | 0.006 mass% | 2×10^-7 mass% meteorite abundance | 0.91 mass% | 1.6×10^-4 mass% crust abundance | 8.1 mass% | 8.6×10^-4 mass% ocean abundance | 5×10^-7 mass% | 4.4×10^-4 mass% human abundance | 9×10^-5 mass% | 7×10^-5 mass% universe molar abundance | 2×10^-4 mol% | 1×10^-8 mol% solar molar abundance | 3×10^-4 mol% | 2×10^-8 mol% meteorite molar abundance | 0.67 mol% | 3×10^-4 mol% ocean molar abundance | 1.1×10^-7 mol% | 2.5×10^-4 mol% crust molar abundance | 6.3 mol% | 0.0017 mol% human molar abundance | 2.1×10^-5 mol% | 4.1×10^-5 mol%

Nuclear properties

| aluminum | boron half-life | (stable) | (stable) stable isotopes | Al-27 (100%) | B-11 (80.2%) | B-10 (19.8%) nuclear spin | Al-21: 5/2^+ | Al-22: 3^+ | Al-23: 5/2^+ | Al-24: 4^+ | Al-25: 5/2^+ | Al-26: 5^+ | Al-27: 5/2^+ | Al-28: 3^+ | Al-29: 5/2^+ | Al-30: 3^+ | Al-32: 1^+ | Al-33: 5/2^+ | Al-34: 4^- | Al-35: 5/2^+ | Al-37: 3/2^+ | Al-39: 3/2^+ | Al-41: 3/2^+ | B-6: 2^- | B-7: 3/2^- | B-8: 2^+ | B-9: 3/2^- | B-10: 3^+ | B-11: 3/2^- | B-12: 1^+ | B-13: 3/2^- | B-14: 2^- | B-15: 3/2^- | B-16: 0^- | B-17: 3/2^- | B-18: 4^- | B-19: 3/2^- unstable isotopes | Al-26 (0.717 Myr) | Al-29 (6.57 min) | Al-28 (134.48 s) | Al-25 (7.183 s) | Al-30 (3.6 s) | Al-24 (2.053 s) | Al-31 (644 ms) | Al-23 (470 ms) | Al-36 (90 ms) | Al-22 (59 ms) | Al-34 (42 ms) | Al-33 (41.7 ms) | Al-35 (38.6 ms) | Al-32 (33 ms) | Al-37 (10.7 ms) | Al-38 (7.6 ms) | Al-39 (7.6 µs) | Al-41 (260 ns) | Al-40 (260 ns) | Al-42 (170 ns) | Al-21 (35 ns) | B-8 (770 ms) | B-12 (20.2 ms) | B-13 (17.33 ms) | B-14 (12.5 ms) | B-15 (9.93 ms) | B-17 (5.08 ms) | B-19 (2.92 ms) | B-18 (26 ns) | B-16 (190 ps) | B-9 (845 zs) | B-7 (0.33 zs) neutron cross-section | 0.233 b | 760 b neutron mass absorption | 0.03 m^2/kg | 2.4 m^2/kg
| aluminum | boron half-life | (stable) | (stable) stable isotopes | Al-27 (100%) | B-11 (80.2%) | B-10 (19.8%) nuclear spin | Al-21: 5/2^+ | Al-22: 3^+ | Al-23: 5/2^+ | Al-24: 4^+ | Al-25: 5/2^+ | Al-26: 5^+ | Al-27: 5/2^+ | Al-28: 3^+ | Al-29: 5/2^+ | Al-30: 3^+ | Al-32: 1^+ | Al-33: 5/2^+ | Al-34: 4^- | Al-35: 5/2^+ | Al-37: 3/2^+ | Al-39: 3/2^+ | Al-41: 3/2^+ | B-6: 2^- | B-7: 3/2^- | B-8: 2^+ | B-9: 3/2^- | B-10: 3^+ | B-11: 3/2^- | B-12: 1^+ | B-13: 3/2^- | B-14: 2^- | B-15: 3/2^- | B-16: 0^- | B-17: 3/2^- | B-18: 4^- | B-19: 3/2^- unstable isotopes | Al-26 (0.717 Myr) | Al-29 (6.57 min) | Al-28 (134.48 s) | Al-25 (7.183 s) | Al-30 (3.6 s) | Al-24 (2.053 s) | Al-31 (644 ms) | Al-23 (470 ms) | Al-36 (90 ms) | Al-22 (59 ms) | Al-34 (42 ms) | Al-33 (41.7 ms) | Al-35 (38.6 ms) | Al-32 (33 ms) | Al-37 (10.7 ms) | Al-38 (7.6 ms) | Al-39 (7.6 µs) | Al-41 (260 ns) | Al-40 (260 ns) | Al-42 (170 ns) | Al-21 (35 ns) | B-8 (770 ms) | B-12 (20.2 ms) | B-13 (17.33 ms) | B-14 (12.5 ms) | B-15 (9.93 ms) | B-17 (5.08 ms) | B-19 (2.92 ms) | B-18 (26 ns) | B-16 (190 ps) | B-9 (845 zs) | B-7 (0.33 zs) neutron cross-section | 0.233 b | 760 b neutron mass absorption | 0.03 m^2/kg | 2.4 m^2/kg

Identifiers

| aluminum | boron CAS number | 7429-90-5 | 7440-42-8 PubChem CID number | 5359268 | 5462311
| aluminum | boron CAS number | 7429-90-5 | 7440-42-8 PubChem CID number | 5359268 | 5462311

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