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Periodic trend

Melting Point

Temperature at which the solid becomes liquid. Peaks in the middle of the transition metals, where metallic bonding is strongest.

Melting Point plotted against atomic numberMelting Point for 106 of the 118 elements, from 1 to 3,695 K. Temperature at which the solid becomes liquid. Peaks in the middle of the transition metals, where metallic bonding is strongest.123456719241,8482,7713,695 Hydrogen (H): 14 K Helium (He): 1 K Lithium (Li): 454 K Beryllium (Be): 1,560 K Boron (B): 2,349 K Nitrogen (N): 63 K Oxygen (O): 54 K Fluorine (F): 53 K Neon (Ne): 25 K Sodium (Na): 371 K Magnesium (Mg): 923 K Aluminium (Al): 933 K Silicon (Si): 1,687 K Sulfur (S): 388 K Chlorine (Cl): 172 K Argon (Ar): 84 K Potassium (K): 337 K Calcium (Ca): 1,115 K Scandium (Sc): 1,814 K Titanium (Ti): 1,941 K Vanadium (V): 2,183 K Chromium (Cr): 2,180 K Manganese (Mn): 1,519 K Iron (Fe): 1,811 K Cobalt (Co): 1,768 K Nickel (Ni): 1,728 K Copper (Cu): 1,358 K Zinc (Zn): 693 K Gallium (Ga): 303 K Germanium (Ge): 1,211 K Selenium (Se): 494 K Bromine (Br): 266 K Krypton (Kr): 116 K Rubidium (Rb): 312 K Strontium (Sr): 1,050 K Yttrium (Y): 1,799 K Zirconium (Zr): 2,128 K Niobium (Nb): 2,750 K Molybdenum (Mo): 2,896 K Technetium (Tc): 2,430 K Ruthenium (Ru): 2,607 K Rhodium (Rh): 2,237 K Palladium (Pd): 1,828 K Silver (Ag): 1,235 K Cadmium (Cd): 594 K Indium (In): 430 K Tin (Sn): 505 K Antimony (Sb): 904 K Tellurium (Te): 723 K Iodine (I): 387 K Xenon (Xe): 161 K Cesium (Cs): 302 K Barium (Ba): 1,000 K Lanthanum (La): 1,193 K Cerium (Ce): 1,068 K Praseodymium (Pr): 1,208 K Neodymium (Nd): 1,297 K Promethium (Pm): 1,315 K Samarium (Sm): 1,345 K Europium (Eu): 1,099 K Gadolinium (Gd): 1,585 K Terbium (Tb): 1,629 K Dysprosium (Dy): 1,680 K Holmium (Ho): 1,734 K Erbium (Er): 1,802 K Thulium (Tm): 1,818 K Ytterbium (Yb): 1,097 K Lutetium (Lu): 1,925 K Hafnium (Hf): 2,506 K Tantalum (Ta): 3,290 K Tungsten (W): 3,695 K Rhenium (Re): 3,459 K Osmium (Os): 3,306 K Iridium (Ir): 2,719 K Platinum (Pt): 2,041 K Gold (Au): 1,337 K Mercury (Hg): 234 K Thallium (Tl): 577 K Lead (Pb): 601 K Bismuth (Bi): 545 K Polonium (Po): 527 K Astatine (At): 575 K Radon (Rn): 202 K Francium (Fr): 300 K Radium (Ra): 1,233 K Actinium (Ac): 1,500 K Thorium (Th): 2,023 K Protactinium (Pa): 1,841 K Uranium (U): 1,405 K Neptunium (Np): 912 K Plutonium (Pu): 913 K Americium (Am): 1,449 K Curium (Cm): 1,613 K Berkelium (Bk): 1,259 K Californium (Cf): 1,173 K Einsteinium (Es): 1,133 K Fermium (Fm): 1,800 K Mendelevium (Md): 1,100 K Nobelium (No): 1,100 K Lawrencium (Lr): 1,900 K Rutherfordium (Rf): 2,400 K Nihonium (Nh): 700 K Flerovium (Fl): 340 K Moscovium (Mc): 670 K Livermorium (Lv): 709 K Tennessine (Ts): 723 K Period
106 of 118 elements have a measured value.1 – 3,695 K

Highest

  1. 1W Tungsten3,695
  2. 2Re Rhenium3,459
  3. 3Os Osmium3,306
  4. 4Ta Tantalum3,290
  5. 5Mo Molybdenum2,896

Lowest

  1. 1He Helium1
  2. 2H Hydrogen14
  3. 3Ne Neon25
  4. 4F Fluorine53
  5. 5O Oxygen54

12 elements have no measured value for this property, so they are left out of the plot rather than drawn as zero. Almost all of them are synthetic elements that have never existed in weighable quantities.

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