Periodic Table of Elements
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Group 18

{number} elements in this group. All elements in the same group share the same number of valence electrons and show similar chemical behaviour.

7 elements

2 He Helium 4.003 10 Ne Neon 20.18 18 Ar Argon 39.9 36 Kr Krypton 83.8 54 Xe Xenon 131.29 86 Rn Radon 222.018 118 Og Oganesson 295.216