carbon vs hydrogen vs barium vs lead

carbon (chemical element) | hydrogen (chemical element) | barium (chemical element) | lead (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 barium | Ba | 56 | [Xe]6s^2 lead | Pb | 82 | [Xe]6s^24f^145d^106p^2 | Aufbau diagram | block | group carbon | 2p 2s | p | 14 hydrogen | 1s | s | 1 barium | 6s | s | 2 lead | 6p 5d 4f 6s | p | 14 | period | atomic mass | half-life carbon | 2 | 12.011 u | (stable) hydrogen | 1 | 1.008 u | (stable) barium | 6 | 137.327 u | (stable) lead | 6 | 207.2 u | (stable)

phase at STP | all | gas | solid melting point | median | 527 °C | highest | 3550 °C (carbon) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 1810 °C | highest | 4027 °C (carbon) | lowest | -252.87 °C (hydrogen) | distribution | molar heat of fusion | median | 6.4 kJ/mol | highest | 105 kJ/mol (carbon) | lowest | 0.558 kJ/mol (hydrogen) molar heat of vaporization | median | 159 kJ/mol | highest | 715 kJ/mol (carbon) | lowest | 0.452 kJ/mol (hydrogen) specific heat at STP | median | 457 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 127 J/(kg K) (lead) (properties at standard conditions)

density | median | 2.885 g/cm^3 | highest | 11.34 g/cm^3 (lead) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) molar volume | median | 28.7 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 5.315 cm^3/mol (carbon) Mohs hardness | median | 1.25 | highest | 1.5 (between talc and gypsum) (lead) | lowest | 0.5 (between talc and gypsum) (carbon) | distribution | Brinell hardness | all | 38.3 MPa bulk modulus | median | 33 GPa | highest | 46 GPa (lead) | lowest | 9.6 GPa (barium) | distribution | Poisson ratio | all | 0.44 ultimate tensile strength | all | 18 MPa sound speed | median | 1445 m/s | highest | 18350 m/s (carbon) | lowest | 1260 m/s (lead) thermal expansion | median | 2.06×10^-5 K^(-1) | highest | 2.89×10^-5 K^(-1) (lead) | lowest | 7.1×10^-6 K^(-1) (carbon) | distribution | thermal conductivity | median | 26 W/(m K) | highest | 140 W/(m K) (carbon) | lowest | 0.1805 W/(m K) (hydrogen) (properties at standard conditions)

resistivity | median | 3.5×10^-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 | 2.9×10^6 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 | -7×10^-6 | highest | 3.966×10^-5 (barium) | lowest | -1.7×10^-5 (lead) mass magnetic susceptibility | median | -3.85×10^-9 m^3/kg (cubic meters per kilogram) | highest | 1.13×10^-8 m^3/kg (cubic meters per kilogram) (barium) | lowest | -2.48×10^-8 m^3/kg (cubic meters per kilogram) (hydrogen) | distribution | molar magnetic susceptibility | median | -6.22×10^-11 m^3/mol (cubic meters per mole) | highest | 1.552×10^-9 m^3/mol (cubic meters per mole) (barium) | lowest | -3.11×10^-10 m^3/mol (cubic meters per mole) (lead) work function | all | 2.52 eV | 4.25 eV | 5 eV

valence | median | 3 | highest | 4 (carbon and lead) | lowest | 1 (hydrogen) | distribution | electronegativity | median | 2.26 | highest | 2.55 (carbon) | lowest | 0.89 (barium) | distribution | electron affinity | median | 54 kJ/mol (kilojoules per mole) | highest | 153.9 kJ/mol (kilojoules per mole) (carbon) | lowest | 13.95 kJ/mol (kilojoules per mole) (barium) | distribution | first ionization energy | median | 901.1 kJ/mol (kilojoules per mole) | highest | 1312 kJ/mol (kilojoules per mole) (hydrogen) | lowest | 502.9 kJ/mol (kilojoules per mole) (barium) | distribution |

term symbol | all | ^1S_0 | ^2S_(1/2) | ^3P_0 atomic radius | median | 125 pm | highest | 215 pm (barium) | lowest | 25 pm (hydrogen) | distribution | covalent radius | median | 111 pm | highest | 215 pm (barium) | lowest | 31 pm (hydrogen) | distribution | van der Waals radius | median | 170 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 | 1×10^-6 mass% (barium and lead) solar abundance | median | 0.15 mass% | highest | 75 mass% (hydrogen) | lowest | 1×10^-6 mass% (barium and lead) meteorite abundance | median | 0.75 mass% | highest | 2.4 mass% (hydrogen) | lowest | 1.4×10^-4 mass% (lead) | distribution | crust abundance | median | 0.092 mass% | highest | 0.18 mass% (carbon) | lowest | 9.9×10^-4 mass% (lead) 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 | 3×10^-5 mass% (barium) | distribution | universe molar abundance | median | 0.025 mol% | highest | 93 mol% (hydrogen) | lowest | 6×10^-9 mol% (lead) solar molar abundance | median | 0.015 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 | 9.9×10^-5 mol% (lead) human molar abundance | median | 6 mol% | highest | 62 mol% (hydrogen) | lowest | 1.4×10^-6 mol% (barium)