Input interpretation
![hydrogen (chemical element) | palladium (chemical element) | iodine (chemical element)](../image_source/6ce58517a88058806c0abcf0aac96827.png)
hydrogen (chemical element) | palladium (chemical element) | iodine (chemical element)
Periodic table location
![Periodic table location](../image_source/e26e117a37edffed07f9861da5ab672a.png)
Periodic table location
Images
![Images](../image_source/152ef273cc0ad0fe6ca6c7732c5a3e77.png)
Images
Basic elemental properties
![| hydrogen | palladium | iodine atomic symbol | H | Pd | I atomic number | 1 | 46 | 53 short electronic configuration | 1s^1 | [Kr]4d^10 | [Kr]5s^24d^105p^5 Aufbau diagram | 1s | 4d | 5p 4d 5s block | s | d | p group | 1 | 10 | 17 period | 1 | 5 | 5 atomic mass | 1.008 u | 106.42 u | 126.90447 u half-life | (stable) | (stable) | (stable)](../image_source/401f7f730aed1173fd373770e388966b.png)
| hydrogen | palladium | iodine atomic symbol | H | Pd | I atomic number | 1 | 46 | 53 short electronic configuration | 1s^1 | [Kr]4d^10 | [Kr]5s^24d^105p^5 Aufbau diagram | 1s | 4d | 5p 4d 5s block | s | d | p group | 1 | 10 | 17 period | 1 | 5 | 5 atomic mass | 1.008 u | 106.42 u | 126.90447 u half-life | (stable) | (stable) | (stable)
Thermodynamic properties
![| hydrogen | palladium | iodine phase at STP | gas | solid | solid melting point | -259.14 °C | 1554.9 °C | 113.7 °C boiling point | -252.87 °C | 2963 °C | 184.3 °C critical temperature | 32.97 K | | 819 K critical pressure | 1.293 MPa | | 11.7 MPa molar heat of fusion | 0.558 kJ/mol | 16.7 kJ/mol | 7.76 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 380 kJ/mol | 20.9 kJ/mol specific heat at STP | 14300 J/(kg K) | 240 J/(kg K) | 429 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)](../image_source/1b5cb36a33c3219cf0798765b4fa672f.png)
| hydrogen | palladium | iodine phase at STP | gas | solid | solid melting point | -259.14 °C | 1554.9 °C | 113.7 °C boiling point | -252.87 °C | 2963 °C | 184.3 °C critical temperature | 32.97 K | | 819 K critical pressure | 1.293 MPa | | 11.7 MPa molar heat of fusion | 0.558 kJ/mol | 16.7 kJ/mol | 7.76 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 380 kJ/mol | 20.9 kJ/mol specific heat at STP | 14300 J/(kg K) | 240 J/(kg K) | 429 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)
Material properties
![| hydrogen | palladium | iodine density | 8.99×10^-5 g/cm^3 | 12.023 g/cm^3 | 4.94 g/cm^3 liquid density | | 10.38 g/cm^3 | molar volume | 11200 cm^3/mol | 8.851 cm^3/mol | 25.69 cm^3/mol Mohs hardness | | 4.75 (between apatite and fluorite) | Vickers hardness | | 461 MPa | Brinell hardness | | 37.3 MPa | bulk modulus | | 180 GPa | 7.7 GPa shear modulus | | 44 GPa | Young's modulus | | 121 GPa | Poisson ratio | | 0.39 | ultimate tensile strength | | 180 MPa | refractive index | 1.000132 | | sound speed | 1270 m/s | 3070 m/s | thermal expansion | | 1.18×10^-5 K^(-1) | thermal conductivity | 0.1805 W/(m K) | 72 W/(m K) | 0.449 W/(m K) (properties at standard conditions)](../image_source/b1f4e87fc0b990c20168a16e1b6db8b6.png)
| hydrogen | palladium | iodine density | 8.99×10^-5 g/cm^3 | 12.023 g/cm^3 | 4.94 g/cm^3 liquid density | | 10.38 g/cm^3 | molar volume | 11200 cm^3/mol | 8.851 cm^3/mol | 25.69 cm^3/mol Mohs hardness | | 4.75 (between apatite and fluorite) | Vickers hardness | | 461 MPa | Brinell hardness | | 37.3 MPa | bulk modulus | | 180 GPa | 7.7 GPa shear modulus | | 44 GPa | Young's modulus | | 121 GPa | Poisson ratio | | 0.39 | ultimate tensile strength | | 180 MPa | refractive index | 1.000132 | | sound speed | 1270 m/s | 3070 m/s | thermal expansion | | 1.18×10^-5 K^(-1) | thermal conductivity | 0.1805 W/(m K) | 72 W/(m K) | 0.449 W/(m K) (properties at standard conditions)
Electromagnetic properties
![| hydrogen | palladium | iodine electrical type | | conductor | insulator resistivity | | 1×10^-7 Ω m (ohm meters) | 1×10^7 Ω m (ohm meters) electrical conductivity | | 1×10^7 S/m (siemens per meter) | 1×10^-7 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-9 | 7.899×10^-4 | -2.22×10^-5 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | 6.57×10^-8 m^3/kg (cubic meters per kilogram) | -4.5×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | 6.992×10^-9 m^3/mol (cubic meters per mole) | -1.14×10^-9 m^3/mol (cubic meters per mole) work function | | (5.22 to 5.6) eV | threshold frequency | | (1.262×10^15 to 1.354×10^15) Hz (hertz) | color | (colorless) | (silver) | (slate gray) refractive index | 1.000132 | |](../image_source/8f5e83876631f782ed47a8a11c99c592.png)
| hydrogen | palladium | iodine electrical type | | conductor | insulator resistivity | | 1×10^-7 Ω m (ohm meters) | 1×10^7 Ω m (ohm meters) electrical conductivity | | 1×10^7 S/m (siemens per meter) | 1×10^-7 S/m (siemens per meter) magnetic type | diamagnetic | paramagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-9 | 7.899×10^-4 | -2.22×10^-5 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | 6.57×10^-8 m^3/kg (cubic meters per kilogram) | -4.5×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | 6.992×10^-9 m^3/mol (cubic meters per mole) | -1.14×10^-9 m^3/mol (cubic meters per mole) work function | | (5.22 to 5.6) eV | threshold frequency | | (1.262×10^15 to 1.354×10^15) Hz (hertz) | color | (colorless) | (silver) | (slate gray) refractive index | 1.000132 | |
Reactivity
![| hydrogen | palladium | iodine valence | 1 | 4 | 7 electronegativity | 2.2 | 2.2 | 2.66 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 53.7 kJ/mol (kilojoules per mole) | 295.2 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 804.4 kJ/mol (kilojoules per mole) | 1008.4 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 804.4 kJ/mol | 1870 kJ/mol | 3177 kJ/mol | 1008.4 kJ/mol | 1845.9 kJ/mol | 3180 kJ/mol](../image_source/6b0ae24b407de1ad579e213f90c6a1cd.png)
| hydrogen | palladium | iodine valence | 1 | 4 | 7 electronegativity | 2.2 | 2.2 | 2.66 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 53.7 kJ/mol (kilojoules per mole) | 295.2 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 804.4 kJ/mol (kilojoules per mole) | 1008.4 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 804.4 kJ/mol | 1870 kJ/mol | 3177 kJ/mol | 1008.4 kJ/mol | 1845.9 kJ/mol | 3180 kJ/mol
![Reactivity](../image_source/715e6f38292ac829d87fce7aa2a82348.png)
Reactivity
Atomic properties
![| hydrogen | palladium | iodine term symbol | ^2S_(1/2) | ^1S_0 | ^2P_(3/2) atomic radius | 25 pm | 140 pm | 140 pm covalent radius | 31 pm | 139 pm | 139 pm van der Waals radius | 120 pm | 163 pm | 198 pm (electronic ground state properties)](../image_source/066b2382c6518cb54a4f866091c6ed0a.png)
| hydrogen | palladium | iodine term symbol | ^2S_(1/2) | ^1S_0 | ^2P_(3/2) atomic radius | 25 pm | 140 pm | 140 pm covalent radius | 31 pm | 139 pm | 139 pm van der Waals radius | 120 pm | 163 pm | 198 pm (electronic ground state properties)
Abundances
![| hydrogen | palladium | iodine universe abundance | 75 mass% | 2×10^-7 mass% | 1×10^-7 mass% solar abundance | 75 mass% | 3×10^-7 mass% | meteorite abundance | 2.4 mass% | 6.6×10^-5 mass% | 2.5×10^-5 mass% crust abundance | 0.15 mass% | 6.3×10^-7 mass% | 4.9×10^-5 mass% ocean abundance | 11 mass% | | 6×10^-6 mass% human abundance | 10 mass% | | 2×10^-5 mass% universe molar abundance | 93 mol% | 2×10^-9 mol% | 1×10^-9 mol% solar molar abundance | 93 mol% | 4×10^-9 mol% | meteorite molar abundance | 17 mol% | 1.3×10^-5 mol% | 3×10^-6 mol% ocean molar abundance | 66 mol% | | 2.9×10^-7 mol% crust molar abundance | 3.1 mol% | 9.9×10^-8 mol% | 8×10^-6 mol% human molar abundance | 62 mol% | | 1×10^-6 mol%](../image_source/81a2eca4b65e84032e8f19335f75f393.png)
| hydrogen | palladium | iodine universe abundance | 75 mass% | 2×10^-7 mass% | 1×10^-7 mass% solar abundance | 75 mass% | 3×10^-7 mass% | meteorite abundance | 2.4 mass% | 6.6×10^-5 mass% | 2.5×10^-5 mass% crust abundance | 0.15 mass% | 6.3×10^-7 mass% | 4.9×10^-5 mass% ocean abundance | 11 mass% | | 6×10^-6 mass% human abundance | 10 mass% | | 2×10^-5 mass% universe molar abundance | 93 mol% | 2×10^-9 mol% | 1×10^-9 mol% solar molar abundance | 93 mol% | 4×10^-9 mol% | meteorite molar abundance | 17 mol% | 1.3×10^-5 mol% | 3×10^-6 mol% ocean molar abundance | 66 mol% | | 2.9×10^-7 mol% crust molar abundance | 3.1 mol% | 9.9×10^-8 mol% | 8×10^-6 mol% human molar abundance | 62 mol% | | 1×10^-6 mol%