Question

Why are the noble gases the least reactive elements? (1 point)
• Their outer most energy levels are complete with & electrons.
• They are all radioactive.
• They are the last elements in each row on the periodic table.
• They have the same number of electrons as protons.

Answers

GPT-4o mini
The correct answer is: **Their outermost energy levels are complete with 8 electrons.**

Noble gases have a full valence shell, which makes them very stable and less likely to react with other elements.