Question

4 why do you think the noble
gases are placed in a separate
group?​

Answer 1

Answer:

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.

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Answer 2

Answer:

$noble \: gas \: are \: placed \: in \: seperate \: group \\ \: beacause \: they \: are \: not \: reactible \: \\ beacause \: they \: have \\ \: their \: outermost \: shell \: completely \: filled \\ \\ hope \: my \: answer \: helps \: you \:$