hydrogen vs lithium vs chromium vs strontium vs niobium

hydrogen (chemical element) | lithium (chemical element) | chromium (chemical element) | strontium (chemical element) | niobium (chemical element)

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration hydrogen | H | 1 | 1s^1 lithium | Li | 3 | [He]2s^1 chromium | Cr | 24 | [Ar]4s^13d^5 strontium | Sr | 38 | [Kr]5s^2 niobium | Nb | 41 | [Kr]5s^14d^4 | Aufbau diagram | block | group hydrogen | 1s | s | 1 lithium | 2s | s | 1 chromium | 3d 4s | d | 6 strontium | 5s | s | 2 niobium | 4d 5s | d | 5 | period | atomic mass | half-life hydrogen | 1 | 1.008 u | (stable) lithium | 2 | 6.94 u | (stable) chromium | 4 | 51.9961 u | (stable) strontium | 5 | 87.62 u | (stable) niobium | 5 | 92.90637 u | (stable)

phase at STP | all | gas | solid melting point | median | 777 °C | highest | 2477 °C (niobium) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 1382 °C | highest | 4744 °C (niobium) | lowest | -252.87 °C (hydrogen) | distribution | molar heat of fusion | median | 8 kJ/mol | highest | 26.8 kJ/mol (niobium) | lowest | 0.558 kJ/mol (hydrogen) molar heat of vaporization | median | 147 kJ/mol | highest | 690 kJ/mol (niobium) | lowest | 0.452 kJ/mol (hydrogen) | distribution | specific heat at STP | median | 448 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 265 J/(kg K) (niobium) (properties at standard conditions)

density | median | 2.63 g/cm^3 | highest | 8.57 g/cm^3 (niobium) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) | distribution | liquid density | median | 2.375 g/cm^3 | highest | 6.3 g/cm^3 (chromium) | lowest | 0.512 g/cm^3 (lithium) | distribution | molar volume | median | 13 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 7.232 cm^3/mol (chromium) Mohs hardness | median | 3.8 | highest | 8.5 (between topaz and corundum) (chromium) | lowest | 0.6 (between talc and gypsum) (lithium) | distribution | Vickers hardness | all | 1060 MPa | 1320 MPa Brinell hardness | all | 736 MPa | 1120 MPa bulk modulus | median | 160 GPa | highest | 170 GPa (niobium) | lowest | 11 GPa (lithium) shear modulus | median | 22 GPa | highest | 115 GPa (chromium) | lowest | 4.2 GPa (lithium) | distribution | Young's modulus | median | 105 GPa | highest | 279 GPa (chromium) | lowest | 4.9 GPa (lithium) | distribution | Poisson ratio | all | 0.21 | 0.28 | 0.4 ultimate tensile strength | all | 15 MPa sound speed | median | 4700 m/s | highest | 6000 m/s (lithium) | lowest | 1270 m/s (hydrogen) | distribution | thermal expansion | median | 1.5×10^-5 K^(-1) | highest | 4.6×10^-5 K^(-1) (lithium) | lowest | 4.9×10^-6 K^(-1) (chromium) | distribution | thermal conductivity | median | 54 W/(m K) | highest | 94 W/(m K) (chromium) | lowest | 0.1805 W/(m K) (hydrogen) | distribution | (properties at standard conditions)

resistivity | median | 1.3×10^-7 Ω m (ohm meters) | highest | 1.5×10^-7 Ω m (ohm meters) (niobium) | lowest | 9.4×10^-8 Ω m (ohm meters) (lithium) | distribution | electrical conductivity | median | 7.8×10^6 S/m (siemens per meter) | highest | 1.1×10^7 S/m (siemens per meter) (lithium) | lowest | 6.7×10^6 S/m (siemens per meter) (niobium) | distribution | volume magnetic susceptibility | median | 1.37×10^-5 | highest | 3.177×10^-4 (chromium) | lowest | -2.23×10^-9 (hydrogen) | distribution | mass magnetic susceptibility | median | 2.56×10^-8 m^3/kg (cubic meters per kilogram) | highest | 4.45×10^-8 m^3/kg (cubic meters per kilogram) (chromium) | lowest | -2.48×10^-8 m^3/kg (cubic meters per kilogram) (hydrogen) | distribution | molar magnetic susceptibility | median | 1.78×10^-10 m^3/mol (cubic meters per mole) | highest | 2.56×10^-9 m^3/mol (cubic meters per mole) (niobium) | lowest | -4.999×10^-11 m^3/mol (cubic meters per mole) (hydrogen) | distribution | work function | all | 2.59 eV | 2.93 eV | 4.5 eV | (3.95 to 4.87) eV

valence | median | 2 | highest | 6 (chromium) | lowest | 1 (hydrogen and lithium) | distribution | electronegativity | median | 1.6 | highest | 2.2 (hydrogen) | lowest | 0.95 (strontium) | distribution | electron affinity | median | 64.3 kJ/mol (kilojoules per mole) | highest | 86.1 kJ/mol (kilojoules per mole) (niobium) | lowest | 5.03 kJ/mol (kilojoules per mole) (strontium) | distribution | first ionization energy | median | 652.1 kJ/mol (kilojoules per mole) | highest | 1312 kJ/mol (kilojoules per mole) (hydrogen) | lowest | 520.2 kJ/mol (kilojoules per mole) (lithium)

term symbol | all | ^1S_0 | ^2S_(1/2) | ^6D_(1/2) | ^7S_3 atomic radius | median | 145 pm | highest | 200 pm (strontium) | lowest | 25 pm (hydrogen) | distribution | covalent radius | median | 139 pm | highest | 195 pm (strontium) | lowest | 31 pm (hydrogen) | distribution | (electronic ground state properties)

universe abundance | median | 4×10^-6 mass% | highest | 75 mass% (hydrogen) | lowest | 2×10^-7 mass% (niobium) solar abundance | median | 5×10^-6 mass% | highest | 75 mass% (hydrogen) | lowest | 6×10^-9 mass% (lithium) meteorite abundance | median | 8.7×10^-4 mass% | highest | 2.4 mass% (hydrogen) | lowest | 1.9×10^-5 mass% (niobium) crust abundance | median | 0.014 mass% | highest | 0.15 mass% (hydrogen) | lowest | 0.0017 mass% (lithium and niobium) ocean abundance | median | 1.8×10^-5 mass% | highest | 11 mass% (hydrogen) | lowest | 1×10^-10 mass% (niobium) human abundance | median | 2.3×10^-4 mass% | highest | 10 mass% (hydrogen) | lowest | 3×10^-6 mass% (lithium and chromium) universe molar abundance | median | 1×10^-7 mol% | highest | 93 mol% (hydrogen) | lowest | 0 mol% (niobium) solar molar abundance | median | 7×10^-8 mol% | highest | 93 mol% (hydrogen) | lowest | 9.9×10^-10 mol% (lithium) meteorite molar abundance | median | 4.6×10^-4 mol% | highest | 17 mol% (hydrogen) | lowest | 3×10^-6 mol% (niobium) ocean molar abundance | median | 1.6×10^-5 mol% | highest | 66 mol% (hydrogen) | lowest | 6.7×10^-12 mol% (niobium) crust molar abundance | median | 0.0055 mol% | highest | 3.1 mol% (hydrogen) | lowest | 3.7×10^-4 mol% (niobium) human molar abundance | median | 1.8×10^-5 mol% | highest | 62 mol% (hydrogen) | lowest | 4×10^-7 mol% (chromium)