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Noble gases have the largest size and are placed in separate group because they are inert and are present in low concentration in the atmosphere.
eg: Neon (Ne) , Argon (Ar)
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heya❤️
Explanation:
Nobel gases are placed in a separate group because they are extremely unreactive & they generally do not combine with other elements of the periodic table except Xe.
Nobel gases are placed in a separate group because they are extremely unreactive & they generally do not combine with other elements of the periodic table except Xe.example: Neon, Argon
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