Argon, Ar
Bromine, Br
Carbon, C
Chlorine, Cl
Fluorine, F
Helium, He
Hydrogen, H
Iodine, I
Krypton, Kr
Neon, Ne
Nitrogen, N
Oxygen, O
Phosphorus, P
Radon, Rn
Selenium, Se
Sulfur, S
Xenon, Xe


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