Question

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.

what is the correct answer provide the correct option only

Answer 1

Their outer most energy levels are complete with 8 electrons.