Tip:
Highlight text to annotate it
X
Hydrogen Helium
Lithium Beryllium
Boron Carbon
Nitrogen Oxygen
Fluorine Neon
Sodium Magnesium
Aluminium Silicon
Phosphorus Sulfur
Chlorine Argon
Potassium Calcium
Scandium Titanium
Vanadium Chromium
Manganese Iron
Cobalt Nickel
Copper Zinc
Gallium Germanium
Arsenic Selenium
Bromine Krypton
Rubidium Strontium
Yttrium Zirconium
Niobium Molybdenum
Technetium Ruthenium
Rhodium Palladium
Silver Cadmium
Indium Tin
Antimony Tellurium
Iodine Xenon
Caesium Barium
Lanthanum Cerium
Praseodymium Neodymium
Promethium Samarium
Europium Gadolinium
Terbium Dysprosium
Holmium Erbium
Thulium Ytterbium
Lutetium Hafnium
Tantalum Tungsten
Rhenium Osmium
Iridium Platinum
Gold Mercury
Thallium Lead
Bismuth Polonium
Astatine Radon
Francium Radium
Actinium Thorium
Protactinium Uranium
Neptunium Plutonium
Americium Curium
Berkelium Californium
Einsteinium Fermium
Mendelevium Nobelium
Lawrencium Rutherfordium
Dubnium Seaborgium
Bohrium Hassium
Meitnerium Darmstadtium
Roentgenium Copernicium
Ununtrium Flerovium
Ununpentium Livermorium
Ununseptium Ununoctium