carbon, hydrogen, francium

carbon (chemical element) | hydrogen (chemical element) | francium (chemical element)

Periodic table location

Images

| carbon | hydrogen | francium atomic symbol | C | H | Fr atomic number | 6 | 1 | 87 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Rn]7s^1 Aufbau diagram | 2p 2s | 1s | 7s block | p | s | s group | 14 | 1 | 1 period | 2 | 1 | 7 atomic mass | 12.011 u | 1.008 u | 223 u half-life | (stable) | (stable) | 22 min

| carbon | hydrogen | francium phase at STP | solid | gas | solid melting point | 3550 °C | -259.14 °C | boiling point | 4027 °C | -252.87 °C | critical temperature | | 32.97 K | critical pressure | | 1.293 MPa | molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 2 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 65 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | adiabatic index | | 7/5 | (properties at standard conditions)

| carbon | hydrogen density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 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) (properties at standard conditions)

| carbon | hydrogen | francium 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) | (silver) refractive index | 2.417 | 1.000132 |

| carbon | hydrogen | francium valence | 4 | 1 | 1 electronegativity | 2.55 | 2.2 | 0.7 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) | 380 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 | 380 kJ/mol

Reactivity

| carbon | hydrogen | francium term symbol | ^3P_0 | ^2S_(1/2) | ^2S_(1/2) atomic radius | 70 pm | 25 pm | covalent radius | 76 pm | 31 pm | 260 pm van der Waals radius | 170 pm | 120 pm | (electronic ground state properties)

| carbon | hydrogen | francium 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% | human abundance | 23 mass% | 10 mass% | 0 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% | crust molar abundance | 0.31 mol% | 3.1 mol% | human molar abundance | 12 mol% | 62 mol% | 0 mol%

| carbon | hydrogen | francium half-life | (stable) | (stable) | 22 min specific radioactivity | | | 1.421×10^6 TBq/g decay mode | | | beta decay 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^+ | Fr-199: 1/2^+ | Fr-200: 3^+ | Fr-201: 9/2^- | Fr-202: 3^+ | Fr-203: 9/2^- | Fr-204: 3^+ | Fr-205: 9/2^- | Fr-207: 9/2^- | Fr-208: 7^+ | Fr-209: 9/2^- | Fr-210: 6^+ | Fr-211: 9/2^- | Fr-212: 5^+ | Fr-213: 9/2^- | Fr-214: 1^- | Fr-215: 9/2^- | Fr-216: 1^- | Fr-217: 9/2^- | Fr-218: 1^- | Fr-219: 9/2^- | Fr-220: 1^+ | Fr-221: 5/2^- | Fr-222: 2^- | Fr-223: 3/2^- | Fr-224: 1^- | Fr-225: 3/2^- | Fr-226: 1^- | Fr-227: 1/2^+ | Fr-228: 2^- | Fr-229: 1/2^+ | Fr-231: 1/2^+ | Fr-232: 5^? 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) | Fr-223 (22 min) | Fr-212 (20 min) | Fr-222 (14.2 min) | Fr-221 (4.83 min) | Fr-225 (3.95 min) | Fr-224 (200 s) | Fr-210 (191 s) | Fr-211 (186 s) | Fr-227 (148 s) | Fr-208 (59.1 s) | Fr-229 (50.2 s) | Fr-209 (50 s) | Fr-226 (49 s) | Fr-228 (38 s) | Fr-213 (34.82 s) | Fr-220 (27.4 s) | Fr-230 (19.1 s) | Fr-231 (17.6 s) | Fr-206 (16 s) | Fr-207 (14.8 s) | Fr-232 (5.5 s) | Fr-205 (3.8 s) | Fr-204 (1.7 s) | Fr-203 (550 ms) | Fr-202 (300 ms) | Fr-201 (61 ms) | Fr-200 (49 ms) | Fr-219 (20 ms) | Fr-199 (12 ms) | Fr-214 (5 ms) | Fr-218 (1 ms) | Fr-217 (19 µs) | Fr-216 (700 ns) | Fr-215 (86 ns) neutron cross-section | 0.0035 b | 0.332 b | neutron mass absorption | 1.5×10^-5 m^2/kg | 0.011 m^2/kg |