Input interpretation
indium (chemical element) | nihonium (chemical element) | aluminum (chemical element) | gallium (chemical element) | thallium (chemical element)
Periodic table location
Periodic table location
Images
Images
Basic elemental properties
| atomic symbol | atomic number | short electronic configuration indium | In | 49 | [Kr]5s^24d^105p^1 nihonium | Nh | 113 | [Rn]7s^25f^146d^107p^1 aluminum | Al | 13 | [Ne]3s^23p^1 gallium | Ga | 31 | [Ar]4s^23d^104p^1 thallium | Tl | 81 | [Xe]6s^24f^145d^106p^1 | Aufbau diagram | block | group indium | 5p 4d 5s | p | 13 nihonium | 7p 6d 5f 7s | p | 13 aluminum | 3p 3s | p | 13 gallium | 4p 3d 4s | p | 13 thallium | 6p 5d 4f 6s | p | 13 | period | atomic mass | half-life indium | 5 | 114.818 u | (stable) nihonium | 7 | 286 u | 20 min aluminum | 3 | 26.9815385 u | (stable) gallium | 4 | 69.723 u | (stable) thallium | 6 | 204.38 u | (stable)
Thermodynamic properties
phase at STP | all | solid melting point | median | 230 °C | highest | 660.32 °C (aluminum) | lowest | 29.76 °C (gallium) | distribution | boiling point | median | 2138 °C | highest | 2519 °C (aluminum) | lowest | 1473 °C (thallium) | distribution | molar heat of fusion | median | 4.9 kJ/mol | highest | 10.7 kJ/mol (aluminum) | lowest | 3.26 kJ/mol (indium) | distribution | molar heat of vaporization | median | 243 kJ/mol | highest | 293 kJ/mol (aluminum) | lowest | 165 kJ/mol (thallium) | distribution | specific heat at STP | median | 302 J/(kg K) | highest | 904 J/(kg K) (aluminum) | lowest | 129 J/(kg K) (thallium) | distribution | (properties at standard conditions)
Material properties
density | median | 6.607 g/cm^3 | highest | 11.85 g/cm^3 (thallium) | lowest | 2.7 g/cm^3 (aluminum) | distribution | liquid density | median | 6.557 g/cm^3 | highest | 11.22 g/cm^3 (thallium) | lowest | 2.375 g/cm^3 (aluminum) | distribution | molar volume | median | 13.76 cm^3/mol | highest | 17.247 cm^3/mol (thallium) | lowest | 10 cm^3/mol (aluminum) | distribution | Mohs hardness | median | 1.3 | highest | 2.75 (between calcite and gypsum) (aluminum) | lowest | 1.2 (between talc and gypsum) (indium and thallium) | distribution | Vickers hardness | all | 167 MPa Brinell hardness | all | 8.83 MPa | 26.4 MPa | 60 MPa | 245 MPa Young's modulus | median | 11 GPa | highest | 70 GPa (aluminum) | lowest | 8 GPa (thallium) Poisson ratio | all | 0.35 | 0.45 ultimate tensile strength | all | 4 MPa | 7 MPa sound speed | median | 1977 m/s | highest | 5100 m/s (aluminum) | lowest | 818 m/s (thallium) | distribution | thermal expansion | median | 3.1×10^-5 K^(-1) | highest | 1.2×10^-4 K^(-1) (gallium) | lowest | 2.31×10^-5 K^(-1) (aluminum) | distribution | thermal conductivity | median | 64 W/(m K) | highest | 235 W/(m K) (aluminum) | lowest | 29 W/(m K) (gallium) | distribution | (properties at standard conditions)
Electromagnetic properties
resistivity | median | 1.1×10^-7 Ω m (ohm meters) | highest | 1.5×10^-7 Ω m (ohm meters) (thallium) | lowest | 2.6×10^-8 Ω m (ohm meters) (aluminum) | distribution | electrical conductivity | median | 9.5×10^6 S/m (siemens per meter) | highest | 3.8×10^7 S/m (siemens per meter) (aluminum) | lowest | 6.7×10^6 S/m (siemens per meter) (thallium) | distribution | volume magnetic susceptibility | median | -1.39×10^-5 | highest | 2.11×10^-5 (aluminum) | lowest | -3.56×10^-5 (thallium) | distribution | mass magnetic susceptibility | median | -2.2×10^-9 m^3/kg (cubic meters per kilogram) | highest | 7.8×10^-9 m^3/kg (cubic meters per kilogram) (aluminum) | lowest | -3×10^-9 m^3/kg (cubic meters per kilogram) (gallium and thallium) | distribution | molar magnetic susceptibility | median | -1.85×10^-10 m^3/mol (cubic meters per mole) | highest | 2.1×10^-10 m^3/mol (cubic meters per mole) (aluminum) | lowest | -6.13×10^-10 m^3/mol (cubic meters per mole) (thallium) | distribution | work function | all | 3.84 eV | 4.09 eV | 4.32 eV | (4.06 to 4.26) eV superconducting point | median | 1.78 K (kelvins) | highest | 3.41 K (kelvins) (indium) | lowest | 1.083 K (kelvins) (gallium) | distribution |
Reactivity
valence | median | 3 | highest | 3 (4 elements) | lowest | 3 (4 elements) electronegativity | median | 1.7 | highest | 1.81 (gallium) | lowest | 1.61 (aluminum) | distribution | electron affinity | median | 28.9 kJ/mol (kilojoules per mole) | highest | 42.5 kJ/mol (kilojoules per mole) (aluminum) | lowest | 19.2 kJ/mol (kilojoules per mole) (thallium) | distribution | first ionization energy | median | 578.2 kJ/mol (kilojoules per mole) | highest | 589.4 kJ/mol (kilojoules per mole) (thallium) | lowest | 558.3 kJ/mol (kilojoules per mole) (indium) | distribution |
Atomic properties
term symbol | all | ^2P_(1/2) atomic radius | median | 142 pm | highest | 190 pm (thallium) | lowest | 125 pm (aluminum) | distribution | covalent radius | median | 132 pm | highest | 145 pm (thallium) | lowest | 121 pm (aluminum) van der Waals radius | median | 193 pm | highest | 196 pm (thallium) | lowest | 187 pm (gallium) | distribution | (electronic ground state properties)
Abundances
universe abundance | median | 5.25×10^-7 mass% | highest | 0.005 mass% (aluminum) | lowest | 3×10^-8 mass% (indium) solar abundance | median | 4×10^-7 mass% | highest | 0.006 mass% (aluminum) | lowest | 0 mass% (nihonium) meteorite abundance | median | 7.8×10^-6 mass% | highest | 0.91 mass% (aluminum) | lowest | 0 mass% (nihonium) crust abundance | median | 5.3×10^-5 mass% | highest | 8.1 mass% (aluminum) | lowest | 0 mass% (nihonium) ocean abundance | median | 1×10^-10 mass% | highest | 5×10^-7 mass% (aluminum) | lowest | 0 mass% (nihonium) universe molar abundance | median | 1×10^-8 mol% | highest | 2×10^-4 mol% (aluminum) | lowest | 3×10^-10 mol% (indium and thallium) solar molar abundance | median | 4×10^-9 mol% | highest | 3×10^-4 mol% (aluminum) | lowest | 0 mol% (nihonium) meteorite molar abundance | median | 1×10^-6 mol% | highest | 0.67 mol% (aluminum) | lowest | 0 mol% (nihonium) ocean molar abundance | median | 2.7×10^-10 mol% | highest | 5×10^-6 mol% (indium) | lowest | 0 mol% (nihonium) crust molar abundance | median | 5×10^-6 mol% | highest | 6.3 mol% (aluminum) | lowest | 0 mol% (nihonium)