Question

1/100
which group on the periodic table contains the noble gases?
group 17 (7a) group 18 (8a) group 2 group 1

Explanation:

Noble gases are elements with a full valence electron shell, making them stable and unreactive. On the periodic table, Group 18 (8A) contains elements like helium, neon, argon, etc., which are noble gases. Group 17 (7A) has halogens, Group 2 has alkaline earth metals, and Group 1 has alkali metals.

Answer:

B. Group 18 (8A) (assuming the options are labeled as A. Group 17 (7A), B. Group 18 (8A), C. Group 2, D. Group 1; if the original options' identifiers are different, adjust accordingly, but based on the content, the correct one is Group 18 (8A))