Niobium, Cadmium, Indium, Iodine, Palladium, Technetium, Samarium, Boron, Strontium, Chlorine, Nitrogen, Tin, Selenium, Oxygen, Argon, Silicon, Rubidium, Titanium, Manganese, Xenon, Cerium, Helium, Nickel, Lanthanum, Rhodium, Copper, Hydrogen, Calcium, Scandium, Europium, Sodium, Vanadium, Neon, Promethium, Tellurium, Krypton, Terbium, Praseodymium, Caesium, Antimony, Fluorine, Zirconium, Bromine, Ruthenium, Lithium, Barium, Aluminium, Phosphorus, Iron, Silver, Carbon, Germanium, Gadolinium, Zinc, Molybdenum, Gallium, Beryllium, Neodymium, Cobalt, Magnesium, Yttrium, Sulfur, Chromium, Arsenic. Is "Potassium" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."