The perodic table below shows major region in different colors. Which answer choice describes the nobel gases
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The noble gases are the chemical elements in group 18 of the periodic table. They are the most stable due to having the maximum number of valence electrons their outer shell can hold. ... This chemical series contains helium, neon, argon, krypton, xenon, and radon.
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the atoms have eight electrons in there valence shells, so noble gases are very unreactive.
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