Metals: Li, Ca, Na, Al, Fe, Zn, Cr, V, Mn, Ag, Au, Mo, W, Os, U, Cu, K, Hg, Pb, Mg, Non-metals: H, He, Ne, Ar, Kr, Xe, Rn, F, Cl, Br, I, Si, O, S, Se, Te, N, P, As, C,

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