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Mathematics 11 Online
OpenStudy (anonymous):

On the periodic table, which group contains the noble gases? A. the fourth group B. the last group C. the first group D. the second group

OpenStudy (anonymous):

@mathslover

mathslover (mathslover):

Can you identify noble gases?

OpenStudy (anonymous):

i cant define what the groups are

OpenStudy (anonymous):

but noble gases are in the back

mathslover (mathslover):

Groups are the columns (vertical, obviously) ! Noble gases are He, Ne, Ar, Xe ..

OpenStudy (anonymous):

would it be B?

OpenStudy (anonymous):

hello? u there?

mathslover (mathslover):

Good work. It is B.

OpenStudy (anonymous):

ok thanks

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