Question

Why do you think noble gases are placed in a sprate group

Answer 1

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.

Answer 2

Answer:

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