Question

which of the following is true concerning the noble gasses?

their highest occupied s and p sublevels are filled.
they belong to group 8A.
they are sometimes referred to as inert gasses.
all of the above.

Answer 1

Noble gases are inert gases. They don't usually undergo chemical reactions, unless under certain conditions. If you find a Periodic Table, you would see that the noble gases are in Group 8A. Finally, the outer sublevel of a neutral atom of a noble gas will be filled.

Answer 2

so it was all of the above?

Answer 3

Does it sound like it?

Answer 4

yep