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