1H2He3Li4Be5B6C7N8O9F10Ne11Na12Mg13Al14Si15P16S17Cl18Ar19K20Ca21Sc22Ti23V24Cr25Mn26Fe27Co28Ni29Cu30Zn31Ga32Ge33As34Se35Br36Kr37Rb38Sr39Y40Zr41Nb42Mo43Tc44Ru45Rh46Pd47Ag48Cd49In50Sn51Sb52Te53I54Xe55Cs56BaLa*Lanthanides57La58Ce59Pr60Nd61Pm62Sm63Eu64Gd65Tb66Dy67Ho68Er69Tm70Yb71Lu72Hf73Ta74W75Re76Os77Ir78Pt79Au80Hg81Tl82Pb83Bi84Po85At86Rn87Fr88RaAc*Actinides89Ac90Th91Pa92U93Np94Pu95Am96Cm97Bk98Cf99Es100Fm101Md102No103Lr104Rf105Db106Sg107Bh108Hs109Mt110Ds111Rg112Cn113Nh114Fl115Mc116Lv117Ts118Og
Triple point
At the triple point, the temperature and pressure of three phases (gaseous, liquid and solid) are in thermodynamic equilibrium. Depending on the substance, different states of aggregation can exist at the triple point.
| Element | Triple point | ||
|---|---|---|---|
| 1H | Hydrogen | 13.8 K @ 7.041 kPa | |
| 2He | Helium | 2.177 K @ 5.043 kPa | |
| 6C | Carbon | 4,600 K @ 10.8 MPa | |
| 7N | Nitrogen | 63.15 K @ 12.52 kPa | |
| 8O | Oxygen | 54.36 K @ 0.1463 kPa | |
| 9F | Fluorine | 53.48 K @ 0.252 kPa | |
| 10Ne | Neon | 24.55 K @ 43.37 kPa | |
| 18Ar | Argon | 83.8 K @ 68.89 kPa | |
| 33As | Arsenic | 1,090 K @ 3,628 kPa | |
| 35Br | Bromine | 265.9 K @ 5.8 kPa | |
| 36Kr | Krypton | 115.7 K @ 73.53 kPa | |
| 37Rb | Rubidium | (312.4 K) | |
| 49In | Indium | 429.7 K @ 1 kPa | |
| 53I | Iodine | 386.6 K @ 12.1 kPa | |
| 54Xe | Xenon | 161.4 K @ 81.77 kPa | |
| 80Hg | Mercury | 234.3 K @ 1.65·10-4 Pa | |
| 112Cn | Copernicium | (283 K @ 25 kPa) | |