The periodic table of elements
Lithium (Li)
Sodium (Na)
Potassium (K)
Beryllium (Be)
Magnesium (Mg)
Calcium (Ca)
Iron (Fe)
Copper (Cu)
Gold (Au)
Silver (Ag)
Boron (B)
Aluminum (Al)
Carbon (C)
Silicon (Si)
Germanium (Ge)
Tin (Sn)
Lead (Pb)
Nitrogen (N)
Phosphorus (P)
Arsenic (As)
Oxygen (O)
Sulfur (S)
Selenium (Se)
Fluorine (F)
Chlorine (Cl)
Bromine (Br)
Iodine (I)
Helium (He)
Neon