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carbon, hydrogen, radium

Input interpretation

carbon (chemical element) | hydrogen (chemical element) | radium (chemical element)
carbon (chemical element) | hydrogen (chemical element) | radium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| carbon | hydrogen | radium atomic symbol | C | H | Ra atomic number | 6 | 1 | 88 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Rn]7s^2 Aufbau diagram | 2p 2s | 1s | 7s block | p | s | s group | 14 | 1 | 2 period | 2 | 1 | 7 atomic mass | 12.011 u | 1.008 u | 226 u half-life | (stable) | (stable) | 1600 yr
| carbon | hydrogen | radium atomic symbol | C | H | Ra atomic number | 6 | 1 | 88 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Rn]7s^2 Aufbau diagram | 2p 2s | 1s | 7s block | p | s | s group | 14 | 1 | 2 period | 2 | 1 | 7 atomic mass | 12.011 u | 1.008 u | 226 u half-life | (stable) | (stable) | 1600 yr

Thermodynamic properties

| carbon | hydrogen | radium phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | 700 °C boiling point | 4027 °C | -252.87 °C | 1737 °C critical temperature | | 32.97 K | critical pressure | | 1.293 MPa | molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 8 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 125 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 92 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)
| carbon | hydrogen | radium phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | 700 °C boiling point | 4027 °C | -252.87 °C | 1737 °C critical temperature | | 32.97 K | critical pressure | | 1.293 MPa | molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 8 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 125 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 92 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)

Material properties

| carbon | hydrogen | radium density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 5 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 45 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | bulk modulus | 33 GPa | | refractive index | 2.417 | 1.000132 | sound speed | 18350 m/s | 1270 m/s | thermal expansion | 7.1×10^-6 K^(-1) | | thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 19 W/(m K) (properties at standard conditions)
| carbon | hydrogen | radium density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 5 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 45 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | bulk modulus | 33 GPa | | refractive index | 2.417 | 1.000132 | sound speed | 18350 m/s | 1270 m/s | thermal expansion | 7.1×10^-6 K^(-1) | | thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 19 W/(m K) (properties at standard conditions)

Electromagnetic properties

| carbon | hydrogen | radium electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 1×10^-6 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 1×10^6 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | 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) | work function | 5 eV (Polycrystalline) | | threshold frequency | 1.209×10^15 Hz (hertz) | | color | (black) | (colorless) | (silver) refractive index | 2.417 | 1.000132 |
| carbon | hydrogen | radium electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 1×10^-6 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 1×10^6 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | 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) | work function | 5 eV (Polycrystalline) | | threshold frequency | 1.209×10^15 Hz (hertz) | | color | (black) | (colorless) | (silver) refractive index | 2.417 | 1.000132 |

Reactivity

| carbon | hydrogen | radium valence | 4 | 1 | 2 electronegativity | 2.55 | 2.2 | 0.9 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 509.3 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 | 509.3 kJ/mol | 979 kJ/mol
| carbon | hydrogen | radium valence | 4 | 1 | 2 electronegativity | 2.55 | 2.2 | 0.9 electron affinity | 153.9 kJ/mol (kilojoules per mole) | 72.8 kJ/mol (kilojoules per mole) | first ionization energy | 1086.5 kJ/mol (kilojoules per mole) | 1312 kJ/mol (kilojoules per mole) | 509.3 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 | 509.3 kJ/mol | 979 kJ/mol
Reactivity
Reactivity

Atomic properties

| carbon | hydrogen | radium term symbol | ^3P_0 | ^2S_(1/2) | ^1S_0 atomic radius | 70 pm | 25 pm | 215 pm covalent radius | 76 pm | 31 pm | 221 pm van der Waals radius | 170 pm | 120 pm | (electronic ground state properties)
| carbon | hydrogen | radium term symbol | ^3P_0 | ^2S_(1/2) | ^1S_0 atomic radius | 70 pm | 25 pm | 215 pm covalent radius | 76 pm | 31 pm | 221 pm van der Waals radius | 170 pm | 120 pm | (electronic ground state properties)

Abundances

| carbon | hydrogen | radium universe abundance | 0.5 mass% | 75 mass% | solar abundance | 0.3 mass% | 75 mass% | meteorite abundance | 1.5 mass% | 2.4 mass% | crust abundance | 0.18 mass% | 0.15 mass% | 9.9×10^-12 mass% ocean abundance | 0.0028 mass% | 11 mass% | 1×10^-15 mass% human abundance | 23 mass% | 10 mass% | 1×10^-13 mass% universe molar abundance | 0.05 mol% | 93 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% | 3×10^-6 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 9.9×10^-13 mol% human molar abundance | 12 mol% | 62 mol% | 3×10^-6 mol%
| carbon | hydrogen | radium universe abundance | 0.5 mass% | 75 mass% | solar abundance | 0.3 mass% | 75 mass% | meteorite abundance | 1.5 mass% | 2.4 mass% | crust abundance | 0.18 mass% | 0.15 mass% | 9.9×10^-12 mass% ocean abundance | 0.0028 mass% | 11 mass% | 1×10^-15 mass% human abundance | 23 mass% | 10 mass% | 1×10^-13 mass% universe molar abundance | 0.05 mol% | 93 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% | 3×10^-6 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 9.9×10^-13 mol% human molar abundance | 12 mol% | 62 mol% | 3×10^-6 mol%

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