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Periodic trend

Density

Mass per unit volume at standard conditions. Osmium and iridium are the densest; gases are reported in g/L.

Density plotted against atomic numberDensity for 114 of the 118 elements, from 0.09 to 40.70 g/cm³. Mass per unit volume at standard conditions. Osmium and iridium are the densest; gases are reported in g/L.12345670.0910.2420.3930.5540.70 Hydrogen (H): 0.09 g/cm³ Helium (He): 0.18 g/cm³ Lithium (Li): 0.53 g/cm³ Beryllium (Be): 1.85 g/cm³ Boron (B): 2.08 g/cm³ Carbon (C): 1.82 g/cm³ Nitrogen (N): 1.25 g/cm³ Oxygen (O): 1.43 g/cm³ Fluorine (F): 1.70 g/cm³ Neon (Ne): 0.90 g/cm³ Sodium (Na): 0.97 g/cm³ Magnesium (Mg): 1.74 g/cm³ Aluminium (Al): 2.70 g/cm³ Silicon (Si): 2.33 g/cm³ Phosphorus (P): 1.82 g/cm³ Sulfur (S): 2.07 g/cm³ Chlorine (Cl): 3.20 g/cm³ Argon (Ar): 1.78 g/cm³ Potassium (K): 0.86 g/cm³ Calcium (Ca): 1.55 g/cm³ Scandium (Sc): 2.99 g/cm³ Titanium (Ti): 4.51 g/cm³ Vanadium (V): 6.00 g/cm³ Chromium (Cr): 7.19 g/cm³ Manganese (Mn): 7.21 g/cm³ Iron (Fe): 7.87 g/cm³ Cobalt (Co): 8.90 g/cm³ Nickel (Ni): 8.91 g/cm³ Copper (Cu): 8.96 g/cm³ Zinc (Zn): 7.14 g/cm³ Gallium (Ga): 5.91 g/cm³ Germanium (Ge): 5.32 g/cm³ Arsenic (As): 5.73 g/cm³ Selenium (Se): 4.81 g/cm³ Bromine (Br): 3.10 g/cm³ Krypton (Kr): 3.75 g/cm³ Rubidium (Rb): 1.53 g/cm³ Strontium (Sr): 2.64 g/cm³ Yttrium (Y): 4.47 g/cm³ Zirconium (Zr): 6.52 g/cm³ Niobium (Nb): 8.57 g/cm³ Molybdenum (Mo): 10.28 g/cm³ Technetium (Tc): 11.00 g/cm³ Ruthenium (Ru): 12.45 g/cm³ Rhodium (Rh): 12.41 g/cm³ Palladium (Pd): 12.02 g/cm³ Silver (Ag): 10.49 g/cm³ Cadmium (Cd): 8.65 g/cm³ Indium (In): 7.31 g/cm³ Tin (Sn): 7.37 g/cm³ Antimony (Sb): 6.70 g/cm³ Tellurium (Te): 6.24 g/cm³ Iodine (I): 4.93 g/cm³ Xenon (Xe): 5.89 g/cm³ Cesium (Cs): 1.93 g/cm³ Barium (Ba): 3.51 g/cm³ Lanthanum (La): 6.16 g/cm³ Cerium (Ce): 6.77 g/cm³ Praseodymium (Pr): 6.77 g/cm³ Neodymium (Nd): 7.01 g/cm³ Promethium (Pm): 7.26 g/cm³ Samarium (Sm): 7.52 g/cm³ Europium (Eu): 5.26 g/cm³ Gadolinium (Gd): 7.90 g/cm³ Terbium (Tb): 8.23 g/cm³ Dysprosium (Dy): 8.54 g/cm³ Holmium (Ho): 8.79 g/cm³ Erbium (Er): 9.07 g/cm³ Thulium (Tm): 9.32 g/cm³ Ytterbium (Yb): 6.90 g/cm³ Lutetium (Lu): 9.84 g/cm³ Hafnium (Hf): 13.31 g/cm³ Tantalum (Ta): 16.69 g/cm³ Tungsten (W): 19.25 g/cm³ Rhenium (Re): 21.02 g/cm³ Osmium (Os): 22.59 g/cm³ Iridium (Ir): 22.56 g/cm³ Platinum (Pt): 21.45 g/cm³ Gold (Au): 19.30 g/cm³ Mercury (Hg): 13.53 g/cm³ Thallium (Tl): 11.85 g/cm³ Lead (Pb): 11.34 g/cm³ Bismuth (Bi): 9.78 g/cm³ Polonium (Po): 9.20 g/cm³ Astatine (At): 6.35 g/cm³ Radon (Rn): 9.73 g/cm³ Francium (Fr): 1.87 g/cm³ Radium (Ra): 5.50 g/cm³ Actinium (Ac): 10.00 g/cm³ Thorium (Th): 11.72 g/cm³ Protactinium (Pa): 15.37 g/cm³ Uranium (U): 19.10 g/cm³ Neptunium (Np): 20.45 g/cm³ Plutonium (Pu): 19.82 g/cm³ Americium (Am): 12.00 g/cm³ Curium (Cm): 13.51 g/cm³ Berkelium (Bk): 14.78 g/cm³ Californium (Cf): 15.10 g/cm³ Einsteinium (Es): 8.84 g/cm³ Rutherfordium (Rf): 23.20 g/cm³ Dubnium (Db): 29.30 g/cm³ Seaborgium (Sg): 35.00 g/cm³ Bohrium (Bh): 37.10 g/cm³ Hassium (Hs): 40.70 g/cm³ Meitnerium (Mt): 37.40 g/cm³ Darmstadtium (Ds): 34.80 g/cm³ Roentgenium (Rg): 28.70 g/cm³ Copernicium (Cn): 14.00 g/cm³ Nihonium (Nh): 16.00 g/cm³ Flerovium (Fl): 14.00 g/cm³ Moscovium (Mc): 13.50 g/cm³ Livermorium (Lv): 12.90 g/cm³ Tennessine (Ts): 7.17 g/cm³ Oganesson (Og): 4.95 g/cm³ Period
114 of 118 elements have a measured value.0.09 – 40.70 g/cm³

Highest

  1. 1Hs Hassium40.70
  2. 2Mt Meitnerium37.40
  3. 3Bh Bohrium37.10
  4. 4Sg Seaborgium35.00
  5. 5Ds Darmstadtium34.80

Lowest

  1. 1H Hydrogen0.09
  2. 2He Helium0.18
  3. 3Li Lithium0.53
  4. 4K Potassium0.86
  5. 5Ne Neon0.90

4 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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