From the description, which Group of the Periodic Table do these elements belong?
Monatomic, chemically unreactive gases that possess the stable electron configurations that all Representative elements try to attain by undergoing chemical reactions.
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Correct Answer: D. Group 18 (VIIIA or O) – Inert Gases
The Group 18 (VIIIA or O) – Inert Gases elements, He, Ne, Ar, Kr, Xe and Rn are all monatomic, chemically unreactive gases that possess the stable electron configurations that all Representative elements try to attain by undergoing chemical reactions.
The alkali Metals, Alkaline Earth Metals and Halogens are all chemically active and react in such ways as to attain the same number of electrons as their nearest Inert Gas.
The Transition Metals are not a Group on the Periodic Table, but represent the filling of the 3 – 6 d sub-shells. Their chemistry is not determined by the Inert Gases.
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