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