Arsenic, Iron, Sodium, Neon, Zinc, Vanadium, Helium, Nickel, Aluminium, Titanium, Cobalt, Gallium, Fluorine, Beryllium, Chlorine, Copper, Hydrogen, Argon, Lithium, Scandium, Manganese, Sulfur, Magnesium, Chromium, Germanium, Carbon, Nitrogen, Oxygen, Boron, Phosphorus, Potassium, Calcium. Is "Silicon" in the previous list? 
Provide no explanation, directly answer with only "Yes." or "No."