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