carbon vs hydrogen vs lithium vs barium vs germanium

carbon (chemical element) | hydrogen (chemical element) | lithium (chemical element) | barium (chemical element) | germanium (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 lithium | Li | 3 | [He]2s^1 barium | Ba | 56 | [Xe]6s^2 germanium | Ge | 32 | [Ar]4s^23d^104p^2 | Aufbau diagram | block | group carbon | 2p 2s | p | 14 hydrogen | 1s | s | 1 lithium | 2s | s | 1 barium | 6s | s | 2 germanium | 4p 3d 4s | p | 14 | period | atomic mass | half-life carbon | 2 | 12.011 u | (stable) hydrogen | 1 | 1.008 u | (stable) lithium | 2 | 6.94 u | (stable) barium | 6 | 137.327 u | (stable) germanium | 4 | 72.63 u | (stable)

phase at STP | all | gas | solid melting point | median | 727 °C | highest | 3550 °C (carbon) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 1870 °C | highest | 4027 °C (carbon) | lowest | -252.87 °C (hydrogen) | distribution | molar heat of fusion | median | 8 kJ/mol | highest | 105 kJ/mol (carbon) | lowest | 0.558 kJ/mol (hydrogen) | distribution | molar heat of vaporization | median | 147 kJ/mol | highest | 715 kJ/mol (carbon) | lowest | 0.452 kJ/mol (hydrogen) | distribution | specific heat at STP | median | 710 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 205 J/(kg K) (barium) (properties at standard conditions)

density | median | 2.26 g/cm^3 | highest | 5.323 g/cm^3 (germanium) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) | distribution | liquid density | median | 3.338 g/cm^3 | highest | 5.6 g/cm^3 (germanium) | lowest | 0.512 g/cm^3 (lithium) | distribution | molar volume | median | 13.64 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 5.315 cm^3/mol (carbon) Mohs hardness | median | 0.9 | highest | 6 (≈ microcline) (germanium) | lowest | 0.5 (between talc and gypsum) (carbon) Vickers hardness | all | 8010 MPa Brinell hardness | all | 7270 MPa bulk modulus | median | 11 GPa | highest | 33 GPa (carbon) | lowest | 9.6 GPa (barium) | distribution | ultimate tensile strength | all | 15 MPa sound speed | median | 5400 m/s | highest | 18350 m/s (carbon) | lowest | 1270 m/s (hydrogen) | distribution | thermal expansion | median | 1.4×10^-5 K^(-1) | highest | 4.6×10^-5 K^(-1) (lithium) | lowest | 6×10^-6 K^(-1) (germanium) | distribution | thermal conductivity | median | 60 W/(m K) | highest | 140 W/(m K) (carbon) | lowest | 0.1805 W/(m K) (hydrogen) | distribution | (properties at standard conditions)

resistivity | median | 5.2×10^-6 Ω m (ohm meters) | highest | 5×10^-4 Ω m (ohm meters) (germanium) | lowest | 9.4×10^-8 Ω m (ohm meters) (lithium) electrical conductivity | median | 1.5×10^6 S/m (siemens per meter) | highest | 1.1×10^7 S/m (siemens per meter) (lithium) | lowest | 2000 S/m (siemens per meter) (germanium) | distribution | volume magnetic susceptibility | median | -2.23×10^-9 | highest | 3.966×10^-5 (barium) | lowest | -1.4×10^-5 (carbon) | distribution | mass magnetic susceptibility | median | -1.5×10^-9 m^3/kg (cubic meters per kilogram) | highest | 2.56×10^-8 m^3/kg (cubic meters per kilogram) (lithium) | lowest | -2.48×10^-8 m^3/kg (cubic meters per kilogram) (hydrogen) | distribution | molar magnetic susceptibility | median | -4.999×10^-11 m^3/mol (cubic meters per mole) | highest | 1.552×10^-9 m^3/mol (cubic meters per mole) (barium) | lowest | -1.09×10^-10 m^3/mol (cubic meters per mole) (germanium) | distribution | work function | all | 2.52 eV | 2.93 eV | 5 eV

valence | median | 2 | highest | 4 (carbon and germanium) | lowest | 1 (hydrogen and lithium) | distribution | electronegativity | median | 2.01 | highest | 2.55 (carbon) | lowest | 0.89 (barium) | distribution | electron affinity | median | 72.8 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 | 762 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 | 120 pm | highest | 215 pm (barium) | lowest | 31 pm (hydrogen) | distribution | van der Waals radius | median | 170 pm | highest | 182 pm (lithium) | lowest | 120 pm (hydrogen) | distribution | (electronic ground state properties)

universe abundance | median | 2×10^-5 mass% | highest | 75 mass% (hydrogen) | lowest | 6×10^-7 mass% (lithium) solar abundance | median | 2×10^-5 mass% | highest | 75 mass% (hydrogen) | lowest | 6×10^-9 mass% (lithium) meteorite abundance | median | 0.0021 mass% | highest | 2.4 mass% (hydrogen) | lowest | 1.7×10^-4 mass% (lithium) | distribution | crust abundance | median | 0.034 mass% | highest | 0.18 mass% (carbon) | lowest | 1.4×10^-4 mass% (germanium) ocean abundance | median | 1.8×10^-5 mass% | highest | 11 mass% (hydrogen) | lowest | 6×10^-9 mass% (germanium) human abundance | median | 5 mass% | highest | 23 mass% (carbon) | lowest | 3×10^-6 mass% (lithium) | distribution | universe molar abundance | median | 3×10^-7 mol% | highest | 93 mol% (hydrogen) | lowest | 9×10^-9 mol% (barium) solar molar abundance | median | 3×10^-7 mol% | highest | 93 mol% (hydrogen) | lowest | 9.9×10^-10 mol% (lithium) meteorite molar abundance | median | 4.9×10^-4 mol% | highest | 17 mol% (hydrogen) | lowest | 4.1×10^-5 mol% (barium) ocean molar abundance | median | 1.6×10^-5 mol% | highest | 66 mol% (hydrogen) | lowest | 5.1×10^-10 mol% (germanium) crust molar abundance | median | 0.0051 mol% | highest | 3.1 mol% (hydrogen) | lowest | 3.9×10^-5 mol% (germanium) human molar abundance | median | 6 mol% | highest | 62 mol% (hydrogen) | lowest | 1.4×10^-6 mol% (barium)