Lithium boron nitrogen oxygen neon magnesium aluminium chlorine argon potassium vanadium chromium manganese cobalt nickel gallium germanium arsenic selenium krypton rubidium yttrium zirconium niobium molybdenum technetium ruthenium indium tin antimony tellurium iodine xenon cesium barium hafnium rhodium palladium cadmium sodium calcium scandium Titanium Iron Copper Zinc Carbon Fluorine Phosphorous Sulphur Bromine Strontium Silver tantalum rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon francium radium rutherfordium dubnium seaborgium bohrium hassium meitnerium darmstadtium roentgenium copernicium ununtrium flerovium ununpentium livermorium ununseptium ununoctium lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium lutetium tungsten actinium thorium protactinium uranium neptunium plutonium americium curium berkelium californium einsteinium fermium mendelevium nobelium lawrencium Hydrogen Helium Beryllium