element types of 2,3,7,8,12,13,17,18-octaethyl-21H,23 H-porphine cobalt(II)

2, 3, 7, 8, 12, 13, 17, 18-octaethyl-21H, 23 H-porphine cobalt(II) | element types

carbon | cobalt | hydrogen | nitrogen

Periodic table location

Images

| atomic symbol | atomic number | short electronic configuration carbon | C | 6 | [He]2s^22p^2 cobalt | Co | 27 | [Ar]4s^23d^7 hydrogen | H | 1 | 1s^1 nitrogen | N | 7 | [He]2s^22p^3 | Aufbau diagram | block | group carbon | 2p 2s | p | 14 cobalt | 3d 4s | d | 9 hydrogen | 1s | s | 1 nitrogen | 2p 2s | p | 15 | period | atomic mass | half-life carbon | 2 | 12.011 u | (stable) cobalt | 4 | 58.933194 u | (stable) hydrogen | 1 | 1.008 u | (stable) nitrogen | 2 | 14.007 u | (stable)

phase at STP | all | gas | solid melting point | median | 642.5 °C | highest | 3550 °C (carbon) | lowest | -259.14 °C (hydrogen) | distribution | boiling point | median | 1366 °C | highest | 4027 °C (carbon) | lowest | -252.87 °C (hydrogen) | distribution | molar heat of fusion | median | 8.38 kJ/mol | highest | 105 kJ/mol (carbon) | lowest | 0.36 kJ/mol (nitrogen) molar heat of vaporization | median | 189 kJ/mol | highest | 715 kJ/mol (carbon) | lowest | 0.452 kJ/mol (hydrogen) | distribution | specific heat at STP | median | 875 J/(kg K) | highest | 14300 J/(kg K) (hydrogen) | lowest | 421 J/(kg K) (cobalt) (properties at standard conditions)

density | median | 1.131 g/cm^3 | highest | 8.9 g/cm^3 (cobalt) | lowest | 8.99×10^-5 g/cm^3 (hydrogen) molar volume | median | 5610 cm^3/mol | highest | 11200 cm^3/mol (hydrogen) | lowest | 5.315 cm^3/mol (carbon) Vickers hardness | all | 1043 MPa Brinell hardness | all | 700 MPa Poisson ratio | all | 0.31 refractive index | median | 1.000298 | highest | 2.417 (carbon) | lowest | 1.000132 (hydrogen) sound speed | median | 2995 m/s | highest | 18350 m/s (carbon) | lowest | 333.6 m/s (nitrogen) thermal conductivity | median | 50 W/(m K) | highest | 140 W/(m K) (carbon) | lowest | 0.02583 W/(m K) (nitrogen) (properties at standard conditions)

valence | median | 3.5 | highest | 4 (carbon and cobalt) | lowest | 1 (hydrogen) | distribution | electronegativity | median | 2.38 | highest | 3.04 (nitrogen) | lowest | 1.88 (cobalt) | distribution | electron affinity | median | 68.3 kJ/mol (kilojoules per mole) | highest | 153.9 kJ/mol (kilojoules per mole) (carbon) | lowest | 7 kJ/mol (kilojoules per mole) (nitrogen) | distribution | first ionization energy | median | 1199.3 kJ/mol (kilojoules per mole) | highest | 1402.3 kJ/mol (kilojoules per mole) (nitrogen) | lowest | 760.4 kJ/mol (kilojoules per mole) (cobalt) | distribution |

term symbol | all | ^2S_(1/2) | ^3P_0 | ^4F_(9/2) | ^4S_(3/2) atomic radius | median | 68 pm | highest | 135 pm (cobalt) | lowest | 25 pm (hydrogen) | distribution | covalent radius | median | 74 pm | highest | 126 pm (cobalt) | lowest | 31 pm (hydrogen) | distribution | van der Waals radius | median | 155 pm | highest | 170 pm (carbon) | lowest | 120 pm (hydrogen) | distribution | (electronic ground state properties)

universe abundance | median | 0.3 mass% | highest | 75 mass% (hydrogen) | lowest | 3×10^-4 mass% (cobalt) solar abundance | median | 0.2 mass% | highest | 75 mass% (hydrogen) | lowest | 4×10^-4 mass% (cobalt) meteorite abundance | median | 0.82 mass% | highest | 2.4 mass% (hydrogen) | lowest | 0.059 mass% (cobalt) | distribution | crust abundance | median | 0.077 mass% | highest | 0.18 mass% (carbon) | lowest | 0.002 mass% (nitrogen) ocean abundance | median | 0.0014 mass% | highest | 11 mass% (hydrogen) | lowest | 8×10^-9 mass% (cobalt) human abundance | median | 6.3 mass% | highest | 23 mass% (carbon) | lowest | 2×10^-6 mass% (cobalt) | distribution | universe molar abundance | median | 0.03 mol% | highest | 93 mol% (hydrogen) | lowest | 6×10^-6 mol% (cobalt) solar molar abundance | median | 0.019 mol% | highest | 93 mol% (hydrogen) | lowest | 7×10^-6 mol% (cobalt) meteorite molar abundance | median | 0.97 mol% | highest | 17 mol% (hydrogen) | lowest | 0.02 mol% (cobalt) ocean molar abundance | median | 7.1×10^-4 mol% | highest | 66 mol% (hydrogen) | lowest | 8×10^-10 mol% (cobalt) crust molar abundance | median | 0.16 mol% | highest | 3.1 mol% (hydrogen) | lowest | 9.9×10^-4 mol% (cobalt) human molar abundance | median | 6.6 mol% | highest | 62 mol% (hydrogen) | lowest | 2×10^-7 mol% (cobalt)