element with largest thermal expansion

largest element | by thermal expansion

mercury (1.81×10^-4 K^(-1) (reciprocal kelvins difference))

Periodic table location

Image

atomic symbol | Hg atomic number | 80 short electronic configuration | [Xe]6s^24f^145d^10 Aufbau diagram | 5d 4f 6s block | d group | 12 period | 6 atomic mass | 200.592 u (unified atomic mass units)

phase at STP | liquid melting point | -38.83 °C (rank: 91st) boiling point | 356.73 °C (rank: 80th) critical temperature | 1750 K (rank: 7th) critical pressure | 172 MPa (rank: 1st) molar heat of fusion | 2.29 kJ/mol (rank: 80th) molar heat of vaporization | 59.2 kJ/mol (rank: 75th) specific heat at STP | 139.5 J/(kg K) (rank: 72nd) (properties at standard conditions)

density | 13.534 g/cm^3 (rank: 15th) liquid density | 13.534 g/cm^3 molar volume | 14.821 cm^3/mol bulk modulus | 25 GPa (rank: 53rd) refractive index | 1.000933 sound speed | 1407 m/s (rank: 59th) thermal expansion | 1.81×10^-4 K^(-1) (rank: 1st) thermal conductivity | 8.3 W/(m K) (rank: 72nd) (properties at standard conditions)

electrical type | conductor resistivity | 9.6×10^-7 Ω m (ohm meters) electrical conductivity | 1×10^6 S/m (siemens per meter) magnetic type | diamagnetic volume magnetic susceptibility | -2.84×10^-5 mass magnetic susceptibility | -2.1×10^-9 m^3/kg (cubic meters per kilogram) molar magnetic susceptibility | -4.21×10^-10 m^3/mol (cubic meters per mole) work function | 4.47 eV (Liquid) threshold frequency | 1.082×10^15 Hz (hertz) superconducting point | 4.154 K (kelvins) color | (silver) refractive index | 1.000933

valence | 2 electronegativity | 2 electron affinity | 0 kJ/mol (kilojoules per mole) first ionization energy | 1007.1 kJ/mol (kilojoules per mole) ionization energies | 1007.1 kJ/mol | 1810 kJ/mol | 3300 kJ/mol

Reactivity

term symbol | ^1S_0 atomic radius | 150 pm covalent radius | 132 pm van der Waals radius | 155 pm (electronic ground state properties)

(neutral mercury atomic spectrum)

universe abundance | 1×10^-7 mass% (rank: 61st) solar abundance | 2×10^-6 mass% (rank: 33rd) meteorite abundance | 2.5×10^-5 mass% (rank: 52nd) crust abundance | 6.7×10^-6 mass% (rank: 68th) ocean abundance | 5×10^-9 mass% (rank: 43rd) universe molar abundance | 6×10^-10 mol% (rank: 66th) solar molar abundance | 1.2×10^-8 mol% (rank: 34th) meteorite molar abundance | 2×10^-6 mol% (rank: 56th) ocean molar abundance | 1.5×10^-10 mol% (rank: 59th) crust molar abundance | 7×10^-7 mol% (rank: 71st)

half-life | (stable) stable isotopes | 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 | 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 | 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 | 374 b neutron mass absorption | 0.063 m^2/kg

CAS number | 7439-97-6 PubChem CID number | 23931