Search

carbon, hydrogen, krypton

Input interpretation

carbon (chemical element) | hydrogen (chemical element) | krypton (chemical element)
carbon (chemical element) | hydrogen (chemical element) | krypton (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

 | carbon | hydrogen | krypton atomic symbol | C | H | Kr atomic number | 6 | 1 | 36 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Ar]4s^23d^104p^6 Aufbau diagram | 2p  2s | 1s | 4p  3d  4s  block | p | s | p group | 14 | 1 | 18 period | 2 | 1 | 4 atomic mass | 12.011 u | 1.008 u | 83.798 u half-life | (stable) | (stable) | (stable)
| carbon | hydrogen | krypton atomic symbol | C | H | Kr atomic number | 6 | 1 | 36 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Ar]4s^23d^104p^6 Aufbau diagram | 2p 2s | 1s | 4p 3d 4s block | p | s | p group | 14 | 1 | 18 period | 2 | 1 | 4 atomic mass | 12.011 u | 1.008 u | 83.798 u half-life | (stable) | (stable) | (stable)

Thermodynamic properties

 | carbon | hydrogen | krypton phase at STP | solid | gas | gas melting point | 3550 °C | -259.14 °C | -157.36 °C boiling point | 4027 °C | -252.87 °C | -153.22 °C critical temperature | | 32.97 K | 209.41 K critical pressure | | 1.293 MPa | 5.5 MPa molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 1.64 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 9.02 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 248.05 J/(kg K) adiabatic index | | 7/5 | 5/3 (properties at standard conditions)
| carbon | hydrogen | krypton phase at STP | solid | gas | gas melting point | 3550 °C | -259.14 °C | -157.36 °C boiling point | 4027 °C | -252.87 °C | -153.22 °C critical temperature | | 32.97 K | 209.41 K critical pressure | | 1.293 MPa | 5.5 MPa molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 1.64 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 9.02 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 248.05 J/(kg K) adiabatic index | | 7/5 | 5/3 (properties at standard conditions)

Material properties

 | carbon | hydrogen | krypton density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 0.00375 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 22300 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | |  bulk modulus | 33 GPa | |  refractive index | 2.417 | 1.000132 | 1.000427 sound speed | 18350 m/s | 1270 m/s | 1120 m/s thermal expansion | 7.1×10^-6 K^(-1) | |  thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 0.00943 W/(m K) (properties at standard conditions)
| carbon | hydrogen | krypton density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 0.00375 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 22300 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | bulk modulus | 33 GPa | | refractive index | 2.417 | 1.000132 | 1.000427 sound speed | 18350 m/s | 1270 m/s | 1120 m/s thermal expansion | 7.1×10^-6 K^(-1) | | thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 0.00943 W/(m K) (properties at standard conditions)

Electromagnetic properties

 | carbon | hydrogen | krypton electrical type | conductor | |  resistivity | 1×10^-5 Ω m (ohm meters) | |  electrical conductivity | 100000 S/m (siemens per meter) | |  magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 | -1.65×10^-8 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) | -4.4×10^-9 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) | -3.69×10^-10 m^3/mol (cubic meters per mole) work function | 5 eV (Polycrystalline) | |  threshold frequency | 1.209×10^15 Hz (hertz) | |  color | (black) | (colorless) | (colorless) refractive index | 2.417 | 1.000132 | 1.000427
| carbon | hydrogen | krypton electrical type | conductor | | resistivity | 1×10^-5 Ω m (ohm meters) | | electrical conductivity | 100000 S/m (siemens per meter) | | magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 | -1.65×10^-8 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) | -4.4×10^-9 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) | -3.69×10^-10 m^3/mol (cubic meters per mole) work function | 5 eV (Polycrystalline) | | threshold frequency | 1.209×10^15 Hz (hertz) | | color | (black) | (colorless) | (colorless) refractive index | 2.417 | 1.000132 | 1.000427

Reactivity

 | carbon | hydrogen | krypton valence | 4 | 1 | 2 electronegativity | 2.55 | 2.2 | 3 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 1350.8 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 | 1350.8 kJ/mol | 2350.4 kJ/mol | 3565 kJ/mol | 5070 kJ/mol | 6240 kJ/mol | 7570 kJ/mol | 10710 kJ/mol | 12138 kJ/mol | 22274 kJ/mol | 25880 kJ/mol | 29700 kJ/mol | 33800 kJ/mol | 37700 kJ/mol | 43100 kJ/mol | 47500 kJ/mol | 52200 kJ/mol | 57100 kJ/mol | 61800 kJ/mol | 75800 kJ/mol | 80400 kJ/mol | 85300 kJ/mol
| carbon | hydrogen | krypton valence | 4 | 1 | 2 electronegativity | 2.55 | 2.2 | 3 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | 0 kJ/mol (kilojoules per mole) first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 1350.8 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 | 1350.8 kJ/mol | 2350.4 kJ/mol | 3565 kJ/mol | 5070 kJ/mol | 6240 kJ/mol | 7570 kJ/mol | 10710 kJ/mol | 12138 kJ/mol | 22274 kJ/mol | 25880 kJ/mol | 29700 kJ/mol | 33800 kJ/mol | 37700 kJ/mol | 43100 kJ/mol | 47500 kJ/mol | 52200 kJ/mol | 57100 kJ/mol | 61800 kJ/mol | 75800 kJ/mol | 80400 kJ/mol | 85300 kJ/mol
Reactivity
Reactivity

Atomic properties

 | carbon | hydrogen | krypton term symbol | ^3P_0 | ^2S_(1/2) | ^1S_0 atomic radius | 70 pm | 25 pm | 88 pm covalent radius | 76 pm | 31 pm | 116 pm van der Waals radius | 170 pm | 120 pm | 202 pm (electronic ground state properties)
| carbon | hydrogen | krypton term symbol | ^3P_0 | ^2S_(1/2) | ^1S_0 atomic radius | 70 pm | 25 pm | 88 pm covalent radius | 76 pm | 31 pm | 116 pm van der Waals radius | 170 pm | 120 pm | 202 pm (electronic ground state properties)

Abundances

 | carbon | hydrogen | krypton universe abundance | 0.5 mass% | 75 mass% | 4×10^-6 mass% solar abundance | 0.3 mass% | 75 mass% |  meteorite abundance | 1.5 mass% | 2.4 mass% |  crust abundance | 0.18 mass% | 0.15 mass% | 1.5×10^-8 mass% ocean abundance | 0.0028 mass% | 11 mass% | 2.1×10^-8 mass% human abundance | 23 mass% | 10 mass% |  universe molar abundance | 0.05 mol% | 93 mol% | 6×10^-8 mol% solar molar abundance | 0.03 mol% | 93 mol% |  meteorite molar abundance | 1.8 mol% | 17 mol% |  ocean molar abundance | 0.0014 mol% | 66 mol% | 1.6×10^-9 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 4×10^-9 mol% human molar abundance | 12 mol% | 62 mol% |
| carbon | hydrogen | krypton universe abundance | 0.5 mass% | 75 mass% | 4×10^-6 mass% solar abundance | 0.3 mass% | 75 mass% | meteorite abundance | 1.5 mass% | 2.4 mass% | crust abundance | 0.18 mass% | 0.15 mass% | 1.5×10^-8 mass% ocean abundance | 0.0028 mass% | 11 mass% | 2.1×10^-8 mass% human abundance | 23 mass% | 10 mass% | universe molar abundance | 0.05 mol% | 93 mol% | 6×10^-8 mol% solar molar abundance | 0.03 mol% | 93 mol% | meteorite molar abundance | 1.8 mol% | 17 mol% | ocean molar abundance | 0.0014 mol% | 66 mol% | 1.6×10^-9 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 4×10^-9 mol% human molar abundance | 12 mol% | 62 mol% |