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carbon, hydrogen, iron

Input interpretation

carbon (chemical element) | hydrogen (chemical element) | iron (chemical element)
carbon (chemical element) | hydrogen (chemical element) | iron (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| carbon | hydrogen | iron atomic symbol | C | H | Fe atomic number | 6 | 1 | 26 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Ar]4s^23d^6 Aufbau diagram | 2p 2s | 1s | 3d 4s block | p | s | d group | 14 | 1 | 8 period | 2 | 1 | 4 atomic mass | 12.011 u | 1.008 u | 55.845 u half-life | (stable) | (stable) | (stable)
| carbon | hydrogen | iron atomic symbol | C | H | Fe atomic number | 6 | 1 | 26 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Ar]4s^23d^6 Aufbau diagram | 2p 2s | 1s | 3d 4s block | p | s | d group | 14 | 1 | 8 period | 2 | 1 | 4 atomic mass | 12.011 u | 1.008 u | 55.845 u half-life | (stable) | (stable) | (stable)

Thermodynamic properties

| carbon | hydrogen | iron phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | 1538 °C boiling point | 4027 °C | -252.87 °C | 2861 °C critical temperature | | 32.97 K | (unknown) critical pressure | | 1.293 MPa | (unknown) molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 13.8 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 347 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 449 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)
| carbon | hydrogen | iron phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | 1538 °C boiling point | 4027 °C | -252.87 °C | 2861 °C critical temperature | | 32.97 K | (unknown) critical pressure | | 1.293 MPa | (unknown) molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 13.8 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 347 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 449 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)

Material properties

| carbon | hydrogen | iron density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 7.874 g/cm^3 liquid density | | | 6.98 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 7.092 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | 4 (≈ fluorite) Vickers hardness | | | 608 MPa Brinell hardness | | | 490 MPa bulk modulus | 33 GPa | | 170 GPa shear modulus | | | 82 GPa Young's modulus | | | 211 GPa Poisson ratio | | | 0.29 tensile yield strength | | | 50 MPa refractive index | 2.417 | 1.000132 | (unknown) sound speed | 18350 m/s | 1270 m/s | 4910 m/s thermal expansion | 7.1×10^-6 K^(-1) | | 1.18×10^-5 K^(-1) thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 80 W/(m K) (properties at standard conditions)
| carbon | hydrogen | iron density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 7.874 g/cm^3 liquid density | | | 6.98 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 7.092 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | 4 (≈ fluorite) Vickers hardness | | | 608 MPa Brinell hardness | | | 490 MPa bulk modulus | 33 GPa | | 170 GPa shear modulus | | | 82 GPa Young's modulus | | | 211 GPa Poisson ratio | | | 0.29 tensile yield strength | | | 50 MPa refractive index | 2.417 | 1.000132 | (unknown) sound speed | 18350 m/s | 1270 m/s | 4910 m/s thermal expansion | 7.1×10^-6 K^(-1) | | 1.18×10^-5 K^(-1) thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 80 W/(m K) (properties at standard conditions)

Electromagnetic properties

| carbon | hydrogen | iron electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 9.7×10^-8 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 1×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | ferromagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 | mass magnetic susceptibility | -6.2×10^-9 m^3/kg (cubic meters per kilogram) | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | -7.45×10^-11 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) | Curie point | | | 1043 K (kelvins) work function | 5 eV (Polycrystalline) | | (4.67 to 4.81) eV threshold frequency | 1.209×10^15 Hz (hertz) | | (1.129×10^15 to 1.163×10^15) Hz (hertz) color | (black) | (colorless) | (gray) refractive index | 2.417 | 1.000132 | (unknown)
| carbon | hydrogen | iron electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 9.7×10^-8 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 1×10^7 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | ferromagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 | mass magnetic susceptibility | -6.2×10^-9 m^3/kg (cubic meters per kilogram) | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | -7.45×10^-11 m^3/mol (cubic meters per mole) | -4.999×10^-11 m^3/mol (cubic meters per mole) | Curie point | | | 1043 K (kelvins) work function | 5 eV (Polycrystalline) | | (4.67 to 4.81) eV threshold frequency | 1.209×10^15 Hz (hertz) | | (1.129×10^15 to 1.163×10^15) Hz (hertz) color | (black) | (colorless) | (gray) refractive index | 2.417 | 1.000132 | (unknown)

Reactivity

| carbon | hydrogen | iron valence | 4 | 1 | 3 electronegativity | 2.55 | 2.2 | 1.83 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 15.7 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 762.5 kJ/mol (kilojoules per mole) ionization energies | 1086.5 kJ/mol | 2352.6 kJ/mol | 4620.5 kJ/mol | 6222.7 kJ/mol | 37831 kJ/mol | 47277 kJ/mol | 1312 kJ/mol | 762.5 kJ/mol | 1561.9 kJ/mol | 2957 kJ/mol | 5290 kJ/mol | 7240 kJ/mol | 9560 kJ/mol | 12060 kJ/mol | 14580 kJ/mol | 22540 kJ/mol | 25290 kJ/mol | 28000 kJ/mol | 31920 kJ/mol | 34830 kJ/mol | 37840 kJ/mol | 44100 kJ/mol | 47206 kJ/mol | 122200 kJ/mol | 131000 kJ/mol | 140500 kJ/mol | 152600 kJ/mol | 163000 kJ/mol
| carbon | hydrogen | iron valence | 4 | 1 | 3 electronegativity | 2.55 | 2.2 | 1.83 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 15.7 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 762.5 kJ/mol (kilojoules per mole) ionization energies | 1086.5 kJ/mol | 2352.6 kJ/mol | 4620.5 kJ/mol | 6222.7 kJ/mol | 37831 kJ/mol | 47277 kJ/mol | 1312 kJ/mol | 762.5 kJ/mol | 1561.9 kJ/mol | 2957 kJ/mol | 5290 kJ/mol | 7240 kJ/mol | 9560 kJ/mol | 12060 kJ/mol | 14580 kJ/mol | 22540 kJ/mol | 25290 kJ/mol | 28000 kJ/mol | 31920 kJ/mol | 34830 kJ/mol | 37840 kJ/mol | 44100 kJ/mol | 47206 kJ/mol | 122200 kJ/mol | 131000 kJ/mol | 140500 kJ/mol | 152600 kJ/mol | 163000 kJ/mol
Reactivity
Reactivity

Atomic properties

| carbon | hydrogen | iron term symbol | ^3P_0 | ^2S_(1/2) | ^5D_4 atomic radius | 70 pm | 25 pm | 140 pm covalent radius | 76 pm | 31 pm | 132 pm van der Waals radius | 170 pm | 120 pm | (unknown) (electronic ground state properties)
| carbon | hydrogen | iron term symbol | ^3P_0 | ^2S_(1/2) | ^5D_4 atomic radius | 70 pm | 25 pm | 140 pm covalent radius | 76 pm | 31 pm | 132 pm van der Waals radius | 170 pm | 120 pm | (unknown) (electronic ground state properties)

Abundances

| carbon | hydrogen | iron universe abundance | 0.5 mass% | 75 mass% | 0.11 mass% solar abundance | 0.3 mass% | 75 mass% | 0.1 mass% meteorite abundance | 1.5 mass% | 2.4 mass% | 22 mass% crust abundance | 0.18 mass% | 0.15 mass% | 6.3 mass% ocean abundance | 0.0028 mass% | 11 mass% | 3×10^-7 mass% human abundance | 23 mass% | 10 mass% | 0.006 mass% universe molar abundance | 0.05 mol% | 93 mol% | 0.002 mol% solar molar abundance | 0.03 mol% | 93 mol% | 0.003 mol% meteorite molar abundance | 1.8 mol% | 17 mol% | 7.8 mol% ocean molar abundance | 0.0014 mol% | 66 mol% | 3.3×10^-8 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 2.3 mol% human molar abundance | 12 mol% | 62 mol% | 6.7×10^-4 mol%
| carbon | hydrogen | iron universe abundance | 0.5 mass% | 75 mass% | 0.11 mass% solar abundance | 0.3 mass% | 75 mass% | 0.1 mass% meteorite abundance | 1.5 mass% | 2.4 mass% | 22 mass% crust abundance | 0.18 mass% | 0.15 mass% | 6.3 mass% ocean abundance | 0.0028 mass% | 11 mass% | 3×10^-7 mass% human abundance | 23 mass% | 10 mass% | 0.006 mass% universe molar abundance | 0.05 mol% | 93 mol% | 0.002 mol% solar molar abundance | 0.03 mol% | 93 mol% | 0.003 mol% meteorite molar abundance | 1.8 mol% | 17 mol% | 7.8 mol% ocean molar abundance | 0.0014 mol% | 66 mol% | 3.3×10^-8 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 2.3 mol% human molar abundance | 12 mol% | 62 mol% | 6.7×10^-4 mol%

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