carbon, hydrogen, radon

carbon (chemical element) | hydrogen (chemical element) | radon (chemical element)

Periodic table location

Images

| carbon | hydrogen | radon atomic symbol | C | H | Rn atomic number | 6 | 1 | 86 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Xe]6s^24f^145d^106p^6 Aufbau diagram | 2p 2s | 1s | 6p 5d 4f 6s block | p | s | p group | 14 | 1 | 18 period | 2 | 1 | 6 atomic mass | 12.011 u | 1.008 u | 222 u half-life | (stable) | (stable) | 91.7639 h

| carbon | hydrogen | radon phase at STP | solid | gas | gas melting point | 3550 °C | -259.14 °C | -71 °C boiling point | 4027 °C | -252.87 °C | -61.7 °C critical temperature | | 32.97 K | 377 K critical pressure | | 1.293 MPa | 6.28 MPa molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 3 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 17 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 93.65 J/(kg K) adiabatic index | | 7/5 | 5/3 (properties at standard conditions)

| carbon | hydrogen | radon density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 0.00973 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 22800 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) | 0.00361 W/(m K) (properties at standard conditions)

| carbon | hydrogen | radon electrical type | conductor | | resistivity | 1×10^-5 Ω m (ohm meters) | | electrical conductivity | 100000 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) | (colorless) refractive index | 2.417 | 1.000132 |

| carbon | hydrogen | radon valence | 4 | 1 | 6 electronegativity | 2.55 | 2.2 | 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) | 1037 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 | 1037 kJ/mol

Reactivity

| carbon | hydrogen | radon term symbol | ^3P_0 | ^2S_(1/2) | ^1S_0 atomic radius | 70 pm | 25 pm | 120 pm covalent radius | 76 pm | 31 pm | 150 pm van der Waals radius | 170 pm | 120 pm | (electronic ground state properties)

| carbon | hydrogen | radon 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% | ocean abundance | 0.0028 mass% | 11 mass% | 6×10^-20 mass% human abundance | 23 mass% | 10 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% | 2×10^-6 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | human molar abundance | 12 mol% | 62 mol% |

| carbon | hydrogen | radon half-life | (stable) | (stable) | 91.7639 h specific radioactivity | | | 5692 TBq/g decay mode | | | alpha emission stable isotopes | C-12 (98.89%) | C-13 (1.11%) | H-1 (99.985%) | H-2 (1.5×10^-4) | nuclear spin | C-8: 0^+ | C-9: 3/2^- | C-10: 0^+ | C-11: 3/2^- | C-12: 0^+ | C-13: 1/2^- | C-14: 0^+ | C-15: 1/2^+ | C-16: 0^+ | C-17: 3/2^+ | C-18: 0^+ | C-19: 1/2^+ | C-20: 0^+ | C-21: 1/2^+ | C-22: 0^+ | H-1: 1/2^+ | H-2: 1^+ | H-3: 1/2^+ | H-4: 2^- | H-5: 1/2^+ | H-6: 2^- | H-7: 1/2^+ | Rn-195: 3/2^- | Rn-196: 0^+ | Rn-197: 3/2^- | Rn-198: 0^+ | Rn-199: 3/2^- | Rn-200: 0^+ | Rn-201: 3/2^- | Rn-202: 0^+ | Rn-203: 3/2^- | Rn-204: 0^+ | Rn-205: 5/2^- | Rn-206: 0^+ | Rn-207: 5/2^- | Rn-208: 0^+ | Rn-209: 5/2^- | Rn-210: 0^+ | Rn-211: 1/2^- | Rn-212: 0^+ | Rn-213: 9/2^+ | Rn-214: 0^+ | Rn-215: 9/2^+ | Rn-216: 0^+ | Rn-217: 9/2^+ | Rn-218: 0^+ | Rn-219: 5/2^+ | Rn-220: 0^+ | Rn-221: 7/2^+ | Rn-222: 0^+ | Rn-223: 7/2^? | Rn-224: 0^+ | Rn-225: 7/2^- | Rn-226: 0^+ | Rn-227: 5/2^+ | Rn-228: 0^+ unstable isotopes | C-14 (5700 yr) | C-11 (20.334 min) | C-10 (19.29 s) | C-15 (2.449 s) | C-16 (747 ms) | C-17 (193 ms) | C-9 (126.5 ms) | C-18 (92 ms) | C-19 (49 ms) | C-20 (14 ms) | C-22 (6.2 ms) | C-21 (30 ns) | C-8 (2 zs) | H-3 (12.32 yr) | H-6 (0.29 zs) | H-4 (0.139 zs) | H-5 (0.08 zs) | H-7 (0.023 zs) | Rn-222 (91.7639 h) | Rn-211 (14.6 h) | Rn-210 (140 min) | Rn-224 (107 min) | Rn-209 (28.5 min) | Rn-221 (25 min) | Rn-208 (24.35 min) | Rn-223 (24.33 min) | Rn-212 (23.9 min) | Rn-207 (9.25 min) | Rn-226 (7.33 min) | Rn-206 (5.67 min) | Rn-225 (4.67 min) | Rn-205 (170 s) | Rn-204 (70.2 s) | Rn-228 (65 s) | Rn-220 (55.6 s) | Rn-203 (43.5 s) | Rn-227 (20.8 s) | Rn-202 (9.7 s) | Rn-201 (7 s) | Rn-219 (3.96 s) | Rn-200 (1.03 s) | Rn-199 (590 ms) | Rn-198 (65 ms) | Rn-197 (66 ms) | Rn-218 (35 ms) | Rn-213 (19.5 ms) | Rn-195 (6 ms) | Rn-196 (4.4 ms) | Rn-217 (540 µs) | Rn-216 (45 µs) | Rn-215 (2.3 µs) | Rn-214 (270 ns) neutron cross-section | 0.0035 b | 0.332 b | 0.7 b neutron mass absorption | 1.5×10^-5 m^2/kg | 0.011 m^2/kg |