Assertion: xenon | /r/HasProperty | 8 86 radon
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Source sentences:
text: /shell 2 helium 2 10 neon 2, 8 18 argon 2, 8, 8 36 krypton 2, 8, 18, 8 54 xenon 2, 8, 18, 18, 8 86 radon 2, 8, 18, 32, 18, 8