The least reactive elements on the periodic table are found in the group with helium at the top, which is the noble gases group. Noble gases, such as helium, neon, and argon, have full valence electron shells, making them highly stable and very unreactive.
Which elements on the periodic table are the least reactive? (1 point)
the group with hydrogen at the top
the group with fluorine at the top
the group with helium at the top
the group with carbon at the top
1 answer