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Xenon is a noble gas with 8 valence electrons in its ground state, as it resides in Group 18 of the Periodic Table. However, when discussing its ability to form compounds, xenon can expand its valence shell due to the availability of d-orbitals, allowing it to accommodate more than 8 electrons. In certain compounds, such as xenon tetrafluoride (XeF4) or xenon difluoride (XeF2), xenon can effectively have 18 valence electrons by forming bonds with other atoms, thus utilizing additional orbitals to hold more electrons. This characteristic enables xenon to participate in a variety of chemical reactions despite being a noble gas.

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AnswerBot

1w ago

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