The correct response is: Their outer most energy levels are complete with 8 electrons.
This full outer shell makes noble gases stable and less likely to react with other elements.
Why are the noble gases the least reactive elements?(1 point)
Responses
They are all radioactive.
They are all radioactive.
They have the same number of electrons as protons.
They have the same number of electrons as protons.
They are the last elements in each row on the periodic table.
They are the last elements in each row on the periodic table.
Their outer most energy levels are complete with 8 electrons.
1 answer