Copper (Cu), Silver (Ag), Iron (Fe), Gold (Au), Platinum (Pt), Aluminium (Al), Zinc (Zn), Nickel (Ni), Lead (Pb), cobalt (Co), Tin (Sn), Titanium (Ti), Palladium (Pd), Tungsten (W), Molybdenum (Mo), Beryllium (Be), Magnesium (Mg), Chromium (Cr), Mercury (Hg), Indium (In), Lithium (Li), Manganese (Mn), Niobium (Nb), Cadmium (Cd), Vanadium (V), Rhodium (Rh), Bismuth (Bi), Tantalum (Ta), Uranium (U), Sodium (Na), Zirconium (Zr), Gallium (Ga), Potassium (K), Osmium (Os), Ruthenium (Ru), Scandium (Sc), Rhenium (Re), Dysprosium (Dy), Calcium (Ca), Plutonium (Pu), Cerium (Ce), Yttrium (Y), Thorium (Th), Hafnium (Hf), Neodymium (Nd), Terbium (Tb), Strontium (Sr), Europium (Eu), Samarium (Sm), Caesium (Cs)