carbon, hydrogen, mercury

carbon (chemical element) | hydrogen (chemical element) | mercury (chemical element)

Periodic table location

Images

| carbon | hydrogen | mercury atomic symbol | C | H | Hg atomic number | 6 | 1 | 80 short electronic configuration | [He]2s^22p^2 | 1s^1 | [Xe]6s^24f^145d^10 Aufbau diagram | 2p 2s | 1s | 5d 4f 6s block | p | s | d group | 14 | 1 | 12 period | 2 | 1 | 6 atomic mass | 12.011 u | 1.008 u | 200.592 u half-life | (stable) | (stable) | (stable)

| carbon | hydrogen | mercury phase at STP | solid | gas | liquid melting point | 3550 °C | -259.14 °C | -38.83 °C boiling point | 4027 °C | -252.87 °C | 356.73 °C critical temperature | | 32.97 K | 1750 K critical pressure | | 1.293 MPa | 172 MPa molar heat of fusion | 105 kJ/mol | 0.558 kJ/mol | 2.29 kJ/mol molar heat of vaporization | 715 kJ/mol | 0.452 kJ/mol | 59.2 kJ/mol specific heat at STP | 710 J/(kg K) | 14300 J/(kg K) | 139.5 J/(kg K) adiabatic index | | 7/5 | (properties at standard conditions)

| carbon | hydrogen | mercury density | 2.26 g/cm^3 | 8.99×10^-5 g/cm^3 | 13.534 g/cm^3 liquid density | | | 13.534 g/cm^3 molar volume | 5.315 cm^3/mol | 11200 cm^3/mol | 14.821 cm^3/mol Mohs hardness | 0.5 (between talc and gypsum) | | bulk modulus | 33 GPa | | 25 GPa refractive index | 2.417 | 1.000132 | 1.000933 sound speed | 18350 m/s | 1270 m/s | 1407 m/s thermal expansion | 7.1×10^-6 K^(-1) | | 1.81×10^-4 K^(-1) thermal conductivity | 140 W/(m K) | 0.1805 W/(m K) | 8.3 W/(m K) (properties at standard conditions)

| carbon | hydrogen | mercury electrical type | conductor | | conductor resistivity | 1×10^-5 Ω m (ohm meters) | | 9.6×10^-7 Ω m (ohm meters) electrical conductivity | 100000 S/m (siemens per meter) | | 1×10^6 S/m (siemens per meter) magnetic type | diamagnetic | diamagnetic | diamagnetic volume magnetic susceptibility | -1.4×10^-5 | -2.23×10^-9 | -2.84×10^-5 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) | -2.1×10^-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) | -4.21×10^-10 m^3/mol (cubic meters per mole) work function | 5 eV (Polycrystalline) | | 4.47 eV (Liquid) threshold frequency | 1.209×10^15 Hz (hertz) | | 1.082×10^15 Hz (hertz) superconducting point | | | 4.154 K (kelvins) color | (black) | (colorless) | (silver) refractive index | 2.417 | 1.000132 | 1.000933

| carbon | hydrogen | mercury valence | 4 | 1 | 2 electronegativity | 2.55 | 2.2 | 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) | 1007.1 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 | 1007.1 kJ/mol | 1810 kJ/mol | 3300 kJ/mol

Reactivity

| carbon | hydrogen | mercury term symbol | ^3P_0 | ^2S_(1/2) | ^1S_0 atomic radius | 70 pm | 25 pm | 150 pm covalent radius | 76 pm | 31 pm | 132 pm van der Waals radius | 170 pm | 120 pm | 155 pm (electronic ground state properties)

| carbon | hydrogen | mercury universe abundance | 0.5 mass% | 75 mass% | 1×10^-7 mass% solar abundance | 0.3 mass% | 75 mass% | 2×10^-6 mass% meteorite abundance | 1.5 mass% | 2.4 mass% | 2.5×10^-5 mass% crust abundance | 0.18 mass% | 0.15 mass% | 6.7×10^-6 mass% ocean abundance | 0.0028 mass% | 11 mass% | 5×10^-9 mass% human abundance | 23 mass% | 10 mass% | universe molar abundance | 0.05 mol% | 93 mol% | 6×10^-10 mol% solar molar abundance | 0.03 mol% | 93 mol% | 1.2×10^-8 mol% meteorite molar abundance | 1.8 mol% | 17 mol% | 2×10^-6 mol% ocean molar abundance | 0.0014 mol% | 66 mol% | 1.5×10^-10 mol% crust molar abundance | 0.31 mol% | 3.1 mol% | 7×10^-7 mol% human molar abundance | 12 mol% | 62 mol% |

| carbon | hydrogen | mercury half-life | (stable) | (stable) | (stable) stable isotopes | C-12 (98.89%) | C-13 (1.11%) | H-1 (99.985%) | H-2 (1.5×10^-4) | Hg-202 (29.86%) | Hg-200 (23.1%) | Hg-199 (16.87%) | Hg-201 (13.18%) | Hg-198 (9.97%) | Hg-204 (6.87%) | Hg-196 (0.15%) 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^+ | Hg-171: 3/2^- | Hg-172: 0^+ | Hg-173: 3/2^- | Hg-174: 0^+ | Hg-176: 0^+ | Hg-177: 13/2^+ | Hg-178: 0^+ | Hg-179: 5/2^- | Hg-180: 0^+ | Hg-181: 1/2^- | Hg-182: 0^+ | Hg-183: 1/2^- | Hg-184: 0^+ | Hg-185: 1/2^- | Hg-186: 0^+ | Hg-187: 13/2^+ | Hg-188: 0^+ | Hg-189: 3/2^- | Hg-190: 0^+ | Hg-191: 3/2^- | Hg-192: 0^+ | Hg-193: 3/2^- | Hg-194: 0^+ | Hg-195: 1/2^- | Hg-196: 0^+ | Hg-197: 1/2^- | Hg-198: 0^+ | Hg-199: 1/2^- | Hg-200: 0^+ | Hg-201: 3/2^- | Hg-202: 0^+ | Hg-203: 5/2^- | Hg-204: 0^+ | Hg-205: 1/2^- | Hg-206: 0^+ | Hg-207: 9/2^+ | Hg-208: 0^+ | Hg-209: 9/2^+ | Hg-210: 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) | Hg-194 (444 yr) | Hg-203 (46.594 days) | Hg-197 (64.14 h) | Hg-195 (10.531 h) | Hg-192 (4.86 h) | Hg-193 (228 min) | Hg-191 (48 min) | Hg-208 (42 min) | Hg-190 (20 min) | Hg-210 (10 min) | Hg-206 (8.32 min) | Hg-189 (7.67 min) | Hg-205 (5.14 min) | Hg-188 (195 s) | Hg-207 (170 s) | Hg-187 (140 s) | Hg-186 (82.8 s) | Hg-185 (49.1 s) | Hg-209 (35 s) | Hg-184 (30.9 s) | Hg-182 (10.83 s) | Hg-183 (9.4 s) | Hg-181 (3.6 s) | Hg-180 (2.58 s) | Hg-179 (1.08 s) | Hg-178 (269 ms) | Hg-177 (127.3 ms) | Hg-176 (20.3 ms) | Hg-175 (10.8 ms) | Hg-174 (2.1 ms) | Hg-173 (600 µs) | Hg-172 (290 µs) | Hg-171 (59 µs) neutron cross-section | 0.0035 b | 0.332 b | 374 b neutron mass absorption | 1.5×10^-5 m^2/kg | 0.011 m^2/kg | 0.063 m^2/kg

| carbon | hydrogen | mercury CAS number | 7440-44-0 | 1333-74-0 | 7439-97-6 PubChem CID number | | 783 | 23931