Matching Pairs TCA: Chemistry: NG and HlgnOnline version Match the Symbol to the element by Elvira Trevino 1 Ts 2 Cl 3 He 4 Og 5 Kr 6 Ar 7 Rn 8 Xe 9 I 10 Ne 11 F 12 Br 13 At Fluorine Astatine Neon Helium Oganesson Bromine Xenon Argon Krypton Iodine Radon Chlorine Tennessine