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hydrogen vs iodine vs carbon

Input interpretation

hydrogen (chemical element) | iodine (chemical element) | carbon (chemical element)
hydrogen (chemical element) | iodine (chemical element) | carbon (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| hydrogen | iodine | carbon atomic symbol | H | I | C atomic number | 1 | 53 | 6 short electronic configuration | 1s^1 | [Kr]5s^24d^105p^5 | [He]2s^22p^2 Aufbau diagram | 1s | 5p 4d 5s | 2p 2s block | s | p | p group | 1 | 17 | 14 period | 1 | 5 | 2 atomic mass | 1.008 u | 126.90447 u | 12.011 u half-life | (stable) | (stable) | (stable)
| hydrogen | iodine | carbon atomic symbol | H | I | C atomic number | 1 | 53 | 6 short electronic configuration | 1s^1 | [Kr]5s^24d^105p^5 | [He]2s^22p^2 Aufbau diagram | 1s | 5p 4d 5s | 2p 2s block | s | p | p group | 1 | 17 | 14 period | 1 | 5 | 2 atomic mass | 1.008 u | 126.90447 u | 12.011 u half-life | (stable) | (stable) | (stable)

Thermodynamic properties

| hydrogen | iodine | carbon phase at STP | gas | solid | solid melting point | -259.14 °C | 113.7 °C | 3550 °C boiling point | -252.87 °C | 184.3 °C | 4027 °C critical temperature | 32.97 K | 819 K | critical pressure | 1.293 MPa | 11.7 MPa | molar heat of fusion | 0.558 kJ/mol | 7.76 kJ/mol | 105 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 20.9 kJ/mol | 715 kJ/mol specific heat at STP | 14300 J/(kg K) | 429 J/(kg K) | 710 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)
| hydrogen | iodine | carbon phase at STP | gas | solid | solid melting point | -259.14 °C | 113.7 °C | 3550 °C boiling point | -252.87 °C | 184.3 °C | 4027 °C critical temperature | 32.97 K | 819 K | critical pressure | 1.293 MPa | 11.7 MPa | molar heat of fusion | 0.558 kJ/mol | 7.76 kJ/mol | 105 kJ/mol molar heat of vaporization | 0.452 kJ/mol | 20.9 kJ/mol | 715 kJ/mol specific heat at STP | 14300 J/(kg K) | 429 J/(kg K) | 710 J/(kg K) adiabatic index | 7/5 | | (properties at standard conditions)

Material properties

| hydrogen | iodine | carbon density | 8.99×10^-5 g/cm^3 | 4.94 g/cm^3 | 2.26 g/cm^3 molar volume | 11200 cm^3/mol | 25.69 cm^3/mol | 5.315 cm^3/mol Mohs hardness | | | 0.5 (between talc and gypsum) bulk modulus | | 7.7 GPa | 33 GPa refractive index | 1.000132 | | 2.417 sound speed | 1270 m/s | | 18350 m/s thermal expansion | | | 7.1×10^-6 K^(-1) thermal conductivity | 0.1805 W/(m K) | 0.449 W/(m K) | 140 W/(m K) (properties at standard conditions)
| hydrogen | iodine | carbon density | 8.99×10^-5 g/cm^3 | 4.94 g/cm^3 | 2.26 g/cm^3 molar volume | 11200 cm^3/mol | 25.69 cm^3/mol | 5.315 cm^3/mol Mohs hardness | | | 0.5 (between talc and gypsum) bulk modulus | | 7.7 GPa | 33 GPa refractive index | 1.000132 | | 2.417 sound speed | 1270 m/s | | 18350 m/s thermal expansion | | | 7.1×10^-6 K^(-1) thermal conductivity | 0.1805 W/(m K) | 0.449 W/(m K) | 140 W/(m K) (properties at standard conditions)

Electromagnetic properties

| hydrogen | iodine | carbon electrical type | | insulator | conductor resistivity | | 1×10^7 Ω m (ohm meters) | 1×10^-5 Ω m (ohm meters) electrical conductivity | | 1×10^-7 S/m (siemens per meter) | 100000 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-9 | -2.22×10^-5 | -1.4×10^-5 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | -4.5×10^-9 m^3/kg (cubic meters per kilogram) | -6.2×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | -1.14×10^-9 m^3/mol (cubic meters per mole) | -7.45×10^-11 m^3/mol (cubic meters per mole) work function | | | 5 eV (Polycrystalline) threshold frequency | | | 1.209×10^15 Hz (hertz) color | (colorless) | (slate gray) | (black) refractive index | 1.000132 | | 2.417
| hydrogen | iodine | carbon electrical type | | insulator | conductor resistivity | | 1×10^7 Ω m (ohm meters) | 1×10^-5 Ω m (ohm meters) electrical conductivity | | 1×10^-7 S/m (siemens per meter) | 100000 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -2.23×10^-9 | -2.22×10^-5 | -1.4×10^-5 mass magnetic susceptibility | -2.48×10^-8 m^3/kg (cubic meters per kilogram) | -4.5×10^-9 m^3/kg (cubic meters per kilogram) | -6.2×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.999×10^-11 m^3/mol (cubic meters per mole) | -1.14×10^-9 m^3/mol (cubic meters per mole) | -7.45×10^-11 m^3/mol (cubic meters per mole) work function | | | 5 eV (Polycrystalline) threshold frequency | | | 1.209×10^15 Hz (hertz) color | (colorless) | (slate gray) | (black) refractive index | 1.000132 | | 2.417

Reactivity

| hydrogen | iodine | carbon valence | 1 | 7 | 4 electronegativity | 2.2 | 2.66 | 2.55 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 295.2 kJ/mol (kilojoules per mole) | 153.9 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 1008.4 kJ/mol (kilojoules per mole) | 1086.5 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 1008.4 kJ/mol | 1845.9 kJ/mol | 3180 kJ/mol | 1086.5 kJ/mol | 2352.6 kJ/mol | 4620.5 kJ/mol | 6222.7 kJ/mol | 37831 kJ/mol | 47277 kJ/mol
| hydrogen | iodine | carbon valence | 1 | 7 | 4 electronegativity | 2.2 | 2.66 | 2.55 electron affinity | 72.8 kJ/mol (kilojoules per mole) | 295.2 kJ/mol (kilojoules per mole) | 153.9 kJ/mol (kilojoules per mole) first ionization energy | 1312 kJ/mol (kilojoules per mole) | 1008.4 kJ/mol (kilojoules per mole) | 1086.5 kJ/mol (kilojoules per mole) ionization energies | 1312 kJ/mol | 1008.4 kJ/mol | 1845.9 kJ/mol | 3180 kJ/mol | 1086.5 kJ/mol | 2352.6 kJ/mol | 4620.5 kJ/mol | 6222.7 kJ/mol | 37831 kJ/mol | 47277 kJ/mol
Reactivity
Reactivity

Atomic properties

| hydrogen | iodine | carbon term symbol | ^2S_(1/2) | ^2P_(3/2) | ^3P_0 atomic radius | 25 pm | 140 pm | 70 pm covalent radius | 31 pm | 139 pm | 76 pm van der Waals radius | 120 pm | 198 pm | 170 pm (electronic ground state properties)
| hydrogen | iodine | carbon term symbol | ^2S_(1/2) | ^2P_(3/2) | ^3P_0 atomic radius | 25 pm | 140 pm | 70 pm covalent radius | 31 pm | 139 pm | 76 pm van der Waals radius | 120 pm | 198 pm | 170 pm (electronic ground state properties)

Abundances

| hydrogen | iodine | carbon universe abundance | 75 mass% | 1×10^-7 mass% | 0.5 mass% solar abundance | 75 mass% | | 0.3 mass% meteorite abundance | 2.4 mass% | 2.5×10^-5 mass% | 1.5 mass% crust abundance | 0.15 mass% | 4.9×10^-5 mass% | 0.18 mass% ocean abundance | 11 mass% | 6×10^-6 mass% | 0.0028 mass% human abundance | 10 mass% | 2×10^-5 mass% | 23 mass% universe molar abundance | 93 mol% | 1×10^-9 mol% | 0.05 mol% solar molar abundance | 93 mol% | | 0.03 mol% meteorite molar abundance | 17 mol% | 3×10^-6 mol% | 1.8 mol% ocean molar abundance | 66 mol% | 2.9×10^-7 mol% | 0.0014 mol% crust molar abundance | 3.1 mol% | 8×10^-6 mol% | 0.31 mol% human molar abundance | 62 mol% | 1×10^-6 mol% | 12 mol%
| hydrogen | iodine | carbon universe abundance | 75 mass% | 1×10^-7 mass% | 0.5 mass% solar abundance | 75 mass% | | 0.3 mass% meteorite abundance | 2.4 mass% | 2.5×10^-5 mass% | 1.5 mass% crust abundance | 0.15 mass% | 4.9×10^-5 mass% | 0.18 mass% ocean abundance | 11 mass% | 6×10^-6 mass% | 0.0028 mass% human abundance | 10 mass% | 2×10^-5 mass% | 23 mass% universe molar abundance | 93 mol% | 1×10^-9 mol% | 0.05 mol% solar molar abundance | 93 mol% | | 0.03 mol% meteorite molar abundance | 17 mol% | 3×10^-6 mol% | 1.8 mol% ocean molar abundance | 66 mol% | 2.9×10^-7 mol% | 0.0014 mol% crust molar abundance | 3.1 mol% | 8×10^-6 mol% | 0.31 mol% human molar abundance | 62 mol% | 1×10^-6 mol% | 12 mol%

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