indium vs aluminum vs gallium

indium (chemical element) | aluminum (chemical element) | gallium (chemical element)

Periodic table location

Images

| indium | aluminum | gallium atomic symbol | In | Al | Ga atomic number | 49 | 13 | 31 short electronic configuration | [Kr]5s^24d^105p^1 | [Ne]3s^23p^1 | [Ar]4s^23d^104p^1 Aufbau diagram | 5p 4d 5s | 3p 3s | 4p 3d 4s block | p | p | p group | 13 | 13 | 13 period | 5 | 3 | 4 atomic mass | 114.818 u | 26.9815385 u | 69.723 u half-life | (stable) | (stable) | (stable)

| indium | aluminum | gallium phase at STP | solid | solid | solid melting point | 156.6 °C | 660.32 °C | 29.76 °C boiling point | 2072 °C | 2519 °C | 2204 °C molar heat of fusion | 3.26 kJ/mol | 10.7 kJ/mol | 5.59 kJ/mol molar heat of vaporization | 230 kJ/mol | 293 kJ/mol | 256 kJ/mol specific heat at STP | 233 J/(kg K) | 904 J/(kg K) | 371 J/(kg K) (properties at standard conditions)

| indium | aluminum | gallium density | 7.31 g/cm^3 | 2.7 g/cm^3 | 5.904 g/cm^3 liquid density | 7.02 g/cm^3 | 2.375 g/cm^3 | 6.095 g/cm^3 molar volume | 15.71 cm^3/mol | 10 cm^3/mol | 11.81 cm^3/mol Mohs hardness | 1.2 (between talc and gypsum) | 2.75 (between calcite and gypsum) | 1.5 (between talc and gypsum) Vickers hardness | | 167 MPa | Brinell hardness | 8.83 MPa | 245 MPa | 60 MPa bulk modulus | | 76 GPa | shear modulus | | 26 GPa | Young's modulus | 11 GPa | 70 GPa | Poisson ratio | | 0.35 | ultimate tensile strength | 4 MPa | | sound speed | 1215 m/s | 5100 m/s | 2740 m/s thermal expansion | 3.21×10^-5 K^(-1) | 2.31×10^-5 K^(-1) | 1.2×10^-4 K^(-1) thermal conductivity | 82 W/(m K) | 235 W/(m K) | 29 W/(m K) (properties at standard conditions)

| indium | aluminum | gallium electrical type | conductor | conductor | conductor resistivity | 8×10^-8 Ω m (ohm meters) | 2.6×10^-8 Ω m (ohm meters) | 1.4×10^-7 Ω m (ohm meters) electrical conductivity | 1.2×10^7 S/m (siemens per meter) | 3.8×10^7 S/m (siemens per meter) | 7.1×10^6 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic | diamagnetic volume magnetic susceptibility | -1.02×10^-5 | 2.11×10^-5 | -1.77×10^-5 mass magnetic susceptibility | -1.4×10^-9 m^3/kg (cubic meters per kilogram) | 7.8×10^-9 m^3/kg (cubic meters per kilogram) | -3×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -1.61×10^-10 m^3/mol (cubic meters per mole) | 2.1×10^-10 m^3/mol (cubic meters per mole) | -2.09×10^-10 m^3/mol (cubic meters per mole) work function | 4.09 eV (Polycrystalline) | (4.06 to 4.26) eV | 4.32 eV (Polycrystalline) threshold frequency | 9.89×10^14 Hz (hertz) | (9.817×10^14 to 1.03×10^15) Hz (hertz) | 1.045×10^15 Hz (hertz) superconducting point | 3.41 K (kelvins) | 1.175 K (kelvins) | 1.083 K (kelvins) color | (silver) | (silver) | (silver)

| indium | aluminum | gallium valence | 3 | 3 | 3 electronegativity | 1.78 | 1.61 | 1.81 electron affinity | 28.9 kJ/mol (kilojoules per mole) | 42.5 kJ/mol (kilojoules per mole) | 28.9 kJ/mol (kilojoules per mole) first ionization energy | 558.3 kJ/mol (kilojoules per mole) | 577.5 kJ/mol (kilojoules per mole) | 578.8 kJ/mol (kilojoules per mole) ionization energies | 558.3 kJ/mol | 1820.7 kJ/mol | 2704 kJ/mol | 5210 kJ/mol | 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 | 578.8 kJ/mol | 1979.3 kJ/mol | 2963 kJ/mol | 6180 kJ/mol

Reactivity

| indium | aluminum | gallium term symbol | ^2P_(1/2) | ^2P_(1/2) | ^2P_(1/2) atomic radius | 155 pm | 125 pm | 130 pm covalent radius | 142 pm | 121 pm | 122 pm van der Waals radius | 193 pm | | 187 pm (electronic ground state properties)

| indium | aluminum | gallium universe abundance | 3×10^-8 mass% | 0.005 mass% | 1×10^-6 mass% solar abundance | 4×10^-7 mass% | 0.006 mass% | 4×10^-6 mass% meteorite abundance | 4.4×10^-6 mass% | 0.91 mass% | 7.6×10^-4 mass% crust abundance | 1.6×10^-5 mass% | 8.1 mass% | 0.0019 mass% ocean abundance | 1×10^-11 mass% | 5×10^-7 mass% | 3×10^-9 mass% human abundance | | 9×10^-5 mass% | universe molar abundance | 3×10^-10 mol% | 2×10^-4 mol% | 2×10^-8 mol% solar molar abundance | 4×10^-9 mol% | 3×10^-4 mol% | 6×10^-8 mol% meteorite molar abundance | 1×10^-6 mol% | 0.67 mol% | 2×10^-4 mol% ocean molar abundance | 5×10^-6 mol% | 1.1×10^-7 mol% | 2.7×10^-10 mol% crust molar abundance | 3×10^-6 mol% | 6.3 mol% | 5.5×10^-4 mol% human molar abundance | | 2.1×10^-5 mol% |