Home Percent Composition Calculator Percent Composition Calculator Admin Percent Composition Calculator Percent Composition Calculator First Element: Hydrogen (H)Helium (He)Lithium (Li)Beryllium (Be)Boron (B)Carbon (C)Nitrogen (N)Oxygen (O)Fluorine (F)Neon (Ne)Sodium (Na)Magnesium (Mg)Aluminium (Al)Silicon (Si)Phosphorus (P)Sulfur (S)Chlorine (Cl)Argon (Ar)Potassium (K)Calcium (Ca)Scandium (Sc)Titanium (Ti)Vanadium (V)Chromium (Cr)Manganese (Mn)Iron (Fe)Cobalt (Co)Nickel (Ni)Copper (Cu)Zinc (Zn)Gallium (Ga)Germanium (Ge)Arsenic (As)Selenium (Se)Bromine (Br)Krypton (Kr)Rubidium (Rb)Strontium (Sr)Yttrium (Y)Zirconium (Zr)Niobium (Nb)Molybdenum (Mo)Technetium (Tc)Ruthenium (Ru)Rhodium (Rh)Palladium (Pd)Silver (Ag)Cadmium (Cd)Indium (In)Tin (Sn)Antimony (Sb)Tellurium (Te)Iodine (I)Xenon (Xe)Caesium (Cs)Barium (Ba)Lanthanum (La)Cerium (Ce)Praseodymium (Pr)Neodymium (Nd)Promethium (Pm)Samarium (Sm)Europium (Eu)Gadolinium (Gd)Terbium (Tb)Dysprosium (Dy)Holmium (Ho)Erbium (Er)Thulium (Tm)Ytterbium (Yb)Lutetium (Lu)Hafnium (Hf)Tantalum (Ta)Tungsten (W)Rhenium (Re)Osmium (Os)Iridium (Ir)Platinum (Pt)Gold (Au)Mercury (Hg)Thallium (Tl)Lead (Pb)Bismuth (Bi)Polonium (Po)Astatine (At)Radon (Rn)Francium (Fr)Radium (Ra)Actinium (Ac)Thorium (Th)Protactinium (Pa)Uranium (U)Neptunium (Np)Plutonium (Pu)Americium (Am)Curium (Cm)Berkelium (Bk)Californium (Cf)Einsteinium (Es)Fermium (Fm)Mendelevium (Md)Nobelium (No)Lawrencium (Lr)Rutherfordium (Rf)Dubnium (Db)Seaborgium (Sg)Bohrium (Bh)Hassium (Hs)Meitnerium (Mt)Darmstadtium (Ds)Roentgenium (Rg)Copernicium (Cn)Nihonium (Nh)Flerovium (Fl)Moscovium (Mc)Livermorium (Lv)Tennessine (Ts)Oganesson (Og) Number of Atoms: Second Element: Hydrogen (H)Helium (He)Lithium (Li)Beryllium (Be)Boron (B)Carbon (C)Nitrogen (N)Oxygen (O)Fluorine (F)Neon (Ne)Sodium (Na)Magnesium (Mg)Aluminium (Al)Silicon (Si)Phosphorus (P)Sulfur (S)Chlorine (Cl)Argon (Ar)Potassium (K)Calcium (Ca)Scandium (Sc)Titanium (Ti)Vanadium (V)Chromium (Cr)Manganese (Mn)Iron (Fe)Cobalt (Co)Nickel (Ni)Copper (Cu)Zinc (Zn)Gallium (Ga)Germanium (Ge)Arsenic (As)Selenium (Se)Bromine (Br)Krypton (Kr)Rubidium (Rb)Strontium (Sr)Yttrium (Y)Zirconium (Zr)Niobium (Nb)Molybdenum (Mo)Technetium (Tc)Ruthenium (Ru)Rhodium (Rh)Palladium (Pd)Silver (Ag)Cadmium (Cd)Indium (In)Tin (Sn)Antimony (Sb)Tellurium (Te)Iodine (I)Xenon (Xe)Caesium (Cs)Barium (Ba)Lanthanum (La)Cerium (Ce)Praseodymium (Pr)Neodymium (Nd)Promethium (Pm)Samarium (Sm)Europium (Eu)Gadolinium (Gd)Terbium (Tb)Dysprosium (Dy)Holmium (Ho)Erbium (Er)Thulium (Tm)Ytterbium (Yb)Lutetium (Lu)Hafnium (Hf)Tantalum (Ta)Tungsten (W)Rhenium (Re)Osmium (Os)Iridium (Ir)Platinum (Pt)Gold (Au)Mercury (Hg)Thallium (Tl)Lead (Pb)Bismuth (Bi)Polonium (Po)Astatine (At)Radon (Rn)Francium (Fr)Radium (Ra)Actinium (Ac)Thorium (Th)Protactinium (Pa)Uranium (U)Neptunium (Np)Plutonium (Pu)Americium (Am)Curium (Cm)Berkelium (Bk)Californium (Cf)Einsteinium (Es)Fermium (Fm)Mendelevium (Md)Nobelium (No)Lawrencium (Lr)Rutherfordium (Rf)Dubnium (Db)Seaborgium (Sg)Bohrium (Bh)Hassium (Hs)Meitnerium (Mt)Darmstadtium (Ds)Roentgenium (Rg)Copernicium (Cn)Nihonium (Nh)Flerovium (Fl)Moscovium (Mc)Livermorium (Lv)Tennessine (Ts)Oganesson (Og) Number of Atoms: Third Element: Hydrogen (H)Helium (He)Lithium (Li)Beryllium (Be)Boron (B)Carbon (C)Nitrogen (N)Oxygen (O)Fluorine (F)Neon (Ne)Sodium (Na)Magnesium (Mg)Aluminium (Al)Silicon (Si)Phosphorus (P)Sulfur (S)Chlorine (Cl)Argon (Ar)Potassium (K)Calcium (Ca)Scandium (Sc)Titanium (Ti)Vanadium (V)Chromium (Cr)Manganese (Mn)Iron (Fe)Cobalt (Co)Nickel (Ni)Copper (Cu)Zinc (Zn)Gallium (Ga)Germanium (Ge)Arsenic (As)Selenium (Se)Bromine (Br)Krypton (Kr)Rubidium (Rb)Strontium (Sr)Yttrium (Y)Zirconium (Zr)Niobium (Nb)Molybdenum (Mo)Technetium (Tc)Ruthenium (Ru)Rhodium (Rh)Palladium (Pd)Silver (Ag)Cadmium (Cd)Indium (In)Tin (Sn)Antimony (Sb)Tellurium (Te)Iodine (I)Xenon (Xe)Caesium (Cs)Barium (Ba)Lanthanum (La)Cerium (Ce)Praseodymium (Pr)Neodymium (Nd)Promethium (Pm)Samarium (Sm)Europium (Eu)Gadolinium (Gd)Terbium (Tb)Dysprosium (Dy)Holmium (Ho)Erbium (Er)Thulium (Tm)Ytterbium (Yb)Lutetium (Lu)Hafnium (Hf)Tantalum (Ta)Tungsten (W)Rhenium (Re)Osmium (Os)Iridium (Ir)Platinum (Pt)Gold (Au)Mercury (Hg)Thallium (Tl)Lead (Pb)Bismuth (Bi)Polonium (Po)Astatine (At)Radon (Rn)Francium (Fr)Radium (Ra)Actinium (Ac)Thorium (Th)Protactinium (Pa)Uranium (U)Neptunium (Np)Plutonium (Pu)Americium (Am)Curium (Cm)Berkelium (Bk)Californium (Cf)Einsteinium (Es)Fermium (Fm)Mendelevium (Md)Nobelium (No)Lawrencium (Lr)Rutherfordium (Rf)Dubnium (Db)Seaborgium (Sg)Bohrium (Bh)Hassium (Hs)Meitnerium (Mt)Darmstadtium (Ds)Roentgenium (Rg)Copernicium (Cn)Nihonium (Nh)Flerovium (Fl)Moscovium (Mc)Livermorium (Lv)Tennessine (Ts)Oganesson (Og) Number of Atoms: Fourth Element: Hydrogen (H)Helium (He)Lithium (Li)Beryllium (Be)Boron (B)Carbon (C)Nitrogen (N)Oxygen (O)Fluorine (F)Neon (Ne)Sodium (Na)Magnesium (Mg)Aluminium (Al)Silicon (Si)Phosphorus (P)Sulfur (S)Chlorine (Cl)Argon (Ar)Potassium (K)Calcium (Ca)Scandium (Sc)Titanium (Ti)Vanadium (V)Chromium (Cr)Manganese (Mn)Iron (Fe)Cobalt (Co)Nickel (Ni)Copper (Cu)Zinc (Zn)Gallium (Ga)Germanium (Ge)Arsenic (As)Selenium (Se)Bromine (Br)Krypton (Kr)Rubidium (Rb)Strontium (Sr)Yttrium (Y)Zirconium (Zr)Niobium (Nb)Molybdenum (Mo)Technetium (Tc)Ruthenium (Ru)Rhodium (Rh)Palladium (Pd)Silver (Ag)Cadmium (Cd)Indium (In)Tin (Sn)Antimony (Sb)Tellurium (Te)Iodine (I)Xenon (Xe)Caesium (Cs)Barium (Ba)Lanthanum (La)Cerium (Ce)Praseodymium (Pr)Neodymium (Nd)Promethium (Pm)Samarium (Sm)Europium (Eu)Gadolinium (Gd)Terbium (Tb)Dysprosium (Dy)Holmium (Ho)Erbium (Er)Thulium (Tm)Ytterbium (Yb)Lutetium (Lu)Hafnium (Hf)Tantalum (Ta)Tungsten (W)Rhenium (Re)Osmium (Os)Iridium (Ir)Platinum (Pt)Gold (Au)Mercury (Hg)Thallium (Tl)Lead (Pb)Bismuth (Bi)Polonium (Po)Astatine (At)Radon (Rn)Francium (Fr)Radium (Ra)Actinium (Ac)Thorium (Th)Protactinium (Pa)Uranium (U)Neptunium (Np)Plutonium (Pu)Americium (Am)Curium (Cm)Berkelium (Bk)Californium (Cf)Einsteinium (Es)Fermium (Fm)Mendelevium (Md)Nobelium (No)Lawrencium (Lr)Rutherfordium (Rf)Dubnium (Db)Seaborgium (Sg)Bohrium (Bh)Hassium (Hs)Meitnerium (Mt)Darmstadtium (Ds)Roentgenium (Rg)Copernicium (Cn)Nihonium (Nh)Flerovium (Fl)Moscovium (Mc)Livermorium (Lv)Tennessine (Ts)Oganesson (Og) Number of Atoms: Fifth Element: Hydrogen (H)Helium (He)Lithium (Li)Beryllium (Be)Boron (B)Carbon (C)Nitrogen (N)Oxygen (O)Fluorine (F)Neon (Ne)Sodium (Na)Magnesium (Mg)Aluminium (Al)Silicon (Si)Phosphorus (P)Sulfur (S)Chlorine (Cl)Argon (Ar)Potassium (K)Calcium (Ca)Scandium (Sc)Titanium (Ti)Vanadium (V)Chromium (Cr)Manganese (Mn)Iron (Fe)Cobalt (Co)Nickel (Ni)Copper (Cu)Zinc (Zn)Gallium (Ga)Germanium (Ge)Arsenic (As)Selenium (Se)Bromine (Br)Krypton (Kr)Rubidium (Rb)Strontium (Sr)Yttrium (Y)Zirconium (Zr)Niobium (Nb)Molybdenum (Mo)Technetium (Tc)Ruthenium (Ru)Rhodium (Rh)Palladium (Pd)Silver (Ag)Cadmium (Cd)Indium (In)Tin (Sn)Antimony (Sb)Tellurium (Te)Iodine (I)Xenon (Xe)Caesium (Cs)Barium (Ba)Lanthanum (La)Cerium (Ce)Praseodymium (Pr)Neodymium (Nd)Promethium (Pm)Samarium (Sm)Europium (Eu)Gadolinium (Gd)Terbium (Tb)Dysprosium (Dy)Holmium (Ho)Erbium (Er)Thulium (Tm)Ytterbium (Yb)Lutetium (Lu)Hafnium (Hf)Tantalum (Ta)Tungsten (W)Rhenium (Re)Osmium (Os)Iridium (Ir)Platinum (Pt)Gold (Au)Mercury (Hg)Thallium (Tl)Lead (Pb)Bismuth (Bi)Polonium (Po)Astatine (At)Radon (Rn)Francium (Fr)Radium (Ra)Actinium (Ac)Thorium (Th)Protactinium (Pa)Uranium (U)Neptunium (Np)Plutonium (Pu)Americium (Am)Curium (Cm)Berkelium (Bk)Californium (Cf)Einsteinium (Es)Fermium (Fm)Mendelevium (Md)Nobelium (No)Lawrencium (Lr)Rutherfordium (Rf)Dubnium (Db)Seaborgium (Sg)Bohrium (Bh)Hassium (Hs)Meitnerium (Mt)Darmstadtium (Ds)Roentgenium (Rg)Copernicium (Cn)Nihonium (Nh)Flerovium (Fl)Moscovium (Mc)Livermorium (Lv)Tennessine (Ts)Oganesson (Og) Number of Atoms: Calculate Reset Copy Result Results Element Element Mass (amu) Percent Composition (%) Newer Older