hydrogen vs copper vs iodine vs carbon

hydrogen (chemical element) | copper (chemical element) | iodine (chemical element) | carbon (chemical element)

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration hydrogen | H | 1 | 1s^1 copper | Cu | 29 | [Ar]4s^13d^10 iodine | I | 53 | [Kr]5s^24d^105p^5 carbon | C | 6 | [He]2s^22p^2 | Aufbau diagram | block | group hydrogen | 1s | s | 1 copper | 3d 4s | d | 11 iodine | 5p 4d 5s | p | 17 carbon | 2p 2s | p | 14 | period | atomic mass | half-life hydrogen | 1 | 1.008 u | (stable) copper | 4 | 63.546 u | (stable) iodine | 5 | 126.90447 u | (stable) carbon | 2 | 12.011 u | (stable)

phase at STP | all | gas | solid melting point | median | 599.16 °C | highest | 3550 °C (carbon) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 1373 °C | highest | 4027 °C (carbon) | lowest | -252.87 °C (hydrogen) | distribution | molar heat of fusion | median | 10.4 kJ/mol | highest | 105 kJ/mol (carbon) | lowest | 0.558 kJ/mol (hydrogen) molar heat of vaporization | median | 160 kJ/mol | highest | 715 kJ/mol (carbon) | lowest | 0.452 kJ/mol (hydrogen) | distribution | specific heat at STP | median | 569 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 384.4 J/(kg K) (copper) (properties at standard conditions)

density | median | 3.6 g/cm^3 | highest | 8.96 g/cm^3 (copper) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) | distribution | molar volume | median | 16.39 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 5.315 cm^3/mol (carbon) Vickers hardness | all | 369 MPa Brinell hardness | all | 874 MPa bulk modulus | median | 33 GPa | highest | 140 GPa (copper) | lowest | 7.7 GPa (iodine) Poisson ratio | all | 0.34 sound speed | median | 3570 m/s | highest | 18350 m/s (carbon) | lowest | 1270 m/s (hydrogen) thermal conductivity | median | 70.2 W/(m K) | highest | 400 W/(m K) (copper) | lowest | 0.1805 W/(m K) (hydrogen) | distribution | (properties at standard conditions)

resistivity | median | 1×10^-5 Ω m (ohm meters) | highest | 1×10^7 Ω m (ohm meters) (iodine) | lowest | 1.7×10^-8 Ω m (ohm meters) (copper) electrical conductivity | median | 100000 S/m (siemens per meter) | highest | 5.9×10^7 S/m (siemens per meter) (copper) | lowest | 1×10^-7 S/m (siemens per meter) (iodine) volume magnetic susceptibility | median | -1.18×10^-5 | highest | -2.23×10^-9 (hydrogen) | lowest | -2.22×10^-5 (iodine) | distribution | mass magnetic susceptibility | median | -5.35×10^-9 m^3/kg (cubic meters per kilogram) | highest | -1.08×10^-9 m^3/kg (cubic meters per kilogram) (copper) | lowest | -2.48×10^-8 m^3/kg (cubic meters per kilogram) (hydrogen) molar magnetic susceptibility | median | -7.15×10^-11 m^3/mol (cubic meters per mole) | highest | -4.999×10^-11 m^3/mol (cubic meters per mole) (hydrogen) | lowest | -1.14×10^-9 m^3/mol (cubic meters per mole) (iodine) work function | all | 5 eV | (4.48 to 5.1) eV

valence | median | 3 | highest | 7 (iodine) | lowest | 1 (hydrogen) | distribution | electronegativity | median | 2.38 | highest | 2.66 (iodine) | lowest | 1.9 (copper) | distribution | electron affinity | median | 136.1 kJ/mol (kilojoules per mole) | highest | 295.2 kJ/mol (kilojoules per mole) (iodine) | lowest | 72.8 kJ/mol (kilojoules per mole) (hydrogen) | distribution | first ionization energy | median | 1047.4 kJ/mol (kilojoules per mole) | highest | 1312 kJ/mol (kilojoules per mole) (hydrogen) | lowest | 745.5 kJ/mol (kilojoules per mole) (copper) | distribution |

term symbol | all | ^2P_(3/2) | ^2S_(1/2) | ^3P_0 atomic radius | median | 103 pm | highest | 140 pm (iodine) | lowest | 25 pm (hydrogen) | distribution | covalent radius | median | 104 pm | highest | 139 pm (iodine) | lowest | 31 pm (hydrogen) | distribution | van der Waals radius | median | 155 pm | highest | 198 pm (iodine) | lowest | 120 pm (hydrogen) | distribution | (electronic ground state properties)

universe abundance | median | 0.25 mass% | highest | 75 mass% (hydrogen) | lowest | 1×10^-7 mass% (iodine) solar abundance | median | 0.3 mass% | highest | 75 mass% (hydrogen) | lowest | 7×10^-5 mass% (copper) meteorite abundance | median | 0.76 mass% | highest | 2.4 mass% (hydrogen) | lowest | 2.5×10^-5 mass% (iodine) | distribution | crust abundance | median | 0.078 mass% | highest | 0.18 mass% (carbon) | lowest | 4.9×10^-5 mass% (iodine) ocean abundance | median | 0.0014 mass% | highest | 11 mass% (hydrogen) | lowest | 3×10^-7 mass% (copper) human abundance | median | 5 mass% | highest | 23 mass% (carbon) | lowest | 2×10^-5 mass% (iodine) | distribution | universe molar abundance | median | 0.025 mol% | highest | 93 mol% (hydrogen) | lowest | 1×10^-9 mol% (iodine) solar molar abundance | median | 0.03 mol% | highest | 93 mol% (hydrogen) | lowest | 9.9×10^-7 mol% (copper) meteorite molar abundance | median | 0.9 mol% | highest | 17 mol% (hydrogen) | lowest | 3×10^-6 mol% (iodine) ocean molar abundance | median | 7×10^-4 mol% | highest | 66 mol% (hydrogen) | lowest | 2.9×10^-8 mol% (copper) crust molar abundance | median | 0.16 mol% | highest | 3.1 mol% (hydrogen) | lowest | 8×10^-6 mol% (iodine) human molar abundance | median | 6 mol% | highest | 62 mol% (hydrogen) | lowest | 1×10^-6 mol% (iodine)