rg Definition

sg, veda, graw, roentgenium, 34, 1a, 3a, 98, a, ac, ap, appendix, b, c, d, e, fig, fr, g, gb, h, hc, ii, io, iv, k, ld, m, q, s, sb, sp, t, tf, u, vi, vii, x, y, z,