Question

Which of the following is a trait of group 18 (column 18)?

they are all stable metals

They are chemically stable gasses

They are all reactive
metals

They are a mix of reactive gasses and solids

Answer 1

Answer: They are chemically stable gases

Step-by-step explanation:

Group 18 is also called the noble gases - because they have full valence shells it means they are stable and won't chemically react.