H, Hydrogen, Na, Sodium, He, Helium, C, Carbon, S, Sulfur, Li, Lithium, B, Boron, Si, Silicon, Cl, Chlorine, Be, Beryllium, Ne, Neon, Mg, Magnesium, K, Potassium, O, Oxygen, P, Phosphorus, Ca, Calcium, Al, Aluminium, F, Fluorine, N, Nitrogen

First 20 Elements

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