A. They are highly reactive
B. They have a full outer electron shell
C. They easily form compounds
D. They have low ionization energy
Answer: They have a full outer electron shell
A. They are highly reactive
B. They have a full outer electron shell
C. They easily form compounds
D. They have low ionization energy
Answer: They have a full outer electron shell
Additional Information: Noble gases are known for having a full outer electron shell, making them stable and inert.
Subjects: Atomic Structure, Chemistry