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In any row of the periodic table, the group 8 element - the noble gas - is the least reactive. The known group 8 elements are Helium, Neon, Argon, Krypton, Xenon and Radon

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5mo ago

The noble gases (Group 18) are the least reactive elements in the Periodic Table because they have a full outer electron shell, making them stable and unlikely to form chemical bonds with other elements.

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Q: Which element in the row are the least reactive?
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What element is least reactive?

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