carbon vs hydrogen vs lead vs arsenic

carbon (chemical element) | hydrogen (chemical element) | lead (chemical element) | arsenic (chemical element)

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration carbon | C | 6 | [He]2s^22p^2 hydrogen | H | 1 | 1s^1 lead | Pb | 82 | [Xe]6s^24f^145d^106p^2 arsenic | As | 33 | [Ar]4s^23d^104p^3 | Aufbau diagram | block | group carbon | 2p 2s | p | 14 hydrogen | 1s | s | 1 lead | 6p 5d 4f 6s | p | 14 arsenic | 4p 3d 4s | p | 15 | period | atomic mass | half-life carbon | 2 | 12.011 u | (stable) hydrogen | 1 | 1.008 u | (stable) lead | 6 | 207.2 u | (stable) arsenic | 4 | 74.921595 u | (stable)

phase at STP | all | gas | solid melting point | median | 572 °C | highest | 3550 °C (carbon) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 1181 °C | highest | 4027 °C (carbon) | lowest | -252.87 °C (hydrogen) | distribution | molar heat of fusion | median | 16.2 kJ/mol | highest | 105 kJ/mol (carbon) | lowest | 0.558 kJ/mol (hydrogen) | distribution | molar heat of vaporization | median | 105 kJ/mol | highest | 715 kJ/mol (carbon) | lowest | 0.452 kJ/mol (hydrogen) specific heat at STP | median | 519 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 127 J/(kg K) (lead) (properties at standard conditions)

density | median | 3.994 g/cm^3 | highest | 11.34 g/cm^3 (lead) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) | distribution | molar volume | median | 15.68 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 5.315 cm^3/mol (carbon) Mohs hardness | median | 1.5 | highest | 3.5 (between calcite and fluorite) (arsenic) | lowest | 0.5 (between talc and gypsum) (carbon) | distribution | Vickers hardness | all | 1510 MPa Brinell hardness | all | 38.3 MPa | 1440 MPa bulk modulus | median | 33 GPa | highest | 46 GPa (lead) | lowest | 22 GPa (arsenic) | distribution | Poisson ratio | all | 0.44 ultimate tensile strength | all | 18 MPa refractive index | median | 1.001552 | highest | 2.417 (carbon) | lowest | 1.000132 (hydrogen) sound speed | median | 1270 m/s | highest | 18350 m/s (carbon) | lowest | 1260 m/s (lead) thermal conductivity | median | 43 W/(m K) | highest | 140 W/(m K) (carbon) | lowest | 0.1805 W/(m K) (hydrogen) | distribution | (properties at standard conditions)

resistivity | median | 3×10^-7 Ω m (ohm meters) | highest | 1×10^-5 Ω m (ohm meters) (carbon) | lowest | 2.1×10^-7 Ω m (ohm meters) (lead) electrical conductivity | median | 3.3×10^6 S/m (siemens per meter) | highest | 4.8×10^6 S/m (siemens per meter) (lead) | lowest | 100000 S/m (siemens per meter) (carbon) | distribution | volume magnetic susceptibility | median | -1.55×10^-5 | highest | -2.23×10^-9 (hydrogen) | lowest | -2.23×10^-5 (arsenic) | distribution | mass magnetic susceptibility | median | -5.05×10^-9 m^3/kg (cubic meters per kilogram) | highest | -1.5×10^-9 m^3/kg (cubic meters per kilogram) (lead) | lowest | -2.48×10^-8 m^3/kg (cubic meters per kilogram) (hydrogen) molar magnetic susceptibility | median | -1.83×10^-10 m^3/mol (cubic meters per mole) | highest | -4.999×10^-11 m^3/mol (cubic meters per mole) (hydrogen) | lowest | -3.11×10^-10 m^3/mol (cubic meters per mole) (lead) | distribution | work function | all | 3.75 eV | 4.25 eV | 5 eV

valence | median | 4 | highest | 5 (arsenic) | lowest | 1 (hydrogen) | distribution | electronegativity | median | 2.26 | highest | 2.55 (carbon) | lowest | 2.18 (arsenic) | distribution | electron affinity | median | 75 kJ/mol (kilojoules per mole) | highest | 153.9 kJ/mol (kilojoules per mole) (carbon) | lowest | 35.1 kJ/mol (kilojoules per mole) (lead) | distribution | first ionization energy | median | 1017 kJ/mol (kilojoules per mole) | highest | 1312 kJ/mol (kilojoules per mole) (hydrogen) | lowest | 715.6 kJ/mol (kilojoules per mole) (lead) | distribution |

term symbol | all | ^2S_(1/2) | ^3P_0 | ^4S_(3/2) atomic radius | median | 93 pm | highest | 180 pm (lead) | lowest | 25 pm (hydrogen) | distribution | covalent radius | median | 98 pm | highest | 146 pm (lead) | lowest | 31 pm (hydrogen) | distribution | van der Waals radius | median | 178 pm | highest | 202 pm (lead) | lowest | 120 pm (hydrogen) | distribution | (electronic ground state properties)

universe abundance | median | 0.25 mass% | highest | 75 mass% (hydrogen) | lowest | 8×10^-7 mass% (arsenic) solar abundance | median | 0.3 mass% | highest | 75 mass% (hydrogen) | lowest | 1×10^-6 mass% (lead) meteorite abundance | median | 0.75 mass% | highest | 2.4 mass% (hydrogen) | lowest | 1.4×10^-4 mass% (lead) | distribution | crust abundance | median | 0.075 mass% | highest | 0.18 mass% (carbon) | lowest | 2.1×10^-4 mass% (arsenic) ocean abundance | median | 0.0014 mass% | highest | 11 mass% (hydrogen) | lowest | 3×10^-9 mass% (lead) human abundance | median | 5 mass% | highest | 23 mass% (carbon) | lowest | 5×10^-6 mass% (arsenic) | distribution | universe molar abundance | median | 0.025 mol% | highest | 93 mol% (hydrogen) | lowest | 6×10^-9 mol% (lead) solar molar abundance | median | 0.03 mol% | highest | 93 mol% (hydrogen) | lowest | 7×10^-9 mol% (lead) meteorite molar abundance | median | 0.9 mol% | highest | 17 mol% (hydrogen) | lowest | 1×10^-5 mol% (lead) ocean molar abundance | median | 7×10^-4 mol% | highest | 66 mol% (hydrogen) | lowest | 9×10^-11 mol% (lead) crust molar abundance | median | 0.16 mol% | highest | 3.1 mol% (hydrogen) | lowest | 5.8×10^-5 mol% (arsenic) human molar abundance | median | 6 mol% | highest | 62 mol% (hydrogen) | lowest | 4×10^-7 mol% (arsenic)