Question
Helium rarely combines with other elements. Chemists have placed helium on the far right end of the periodic table to allow it to be in the same column as the
A.
nonmetals.
B.
noble gases.
C.
metalloids.
D.
metals.
A.
nonmetals.
B.
noble gases.
C.
metalloids.
D.
metals.
Answers
GPT-5 mini
B. noble gases.
Helium is chemically inert and placed in group 18 with the noble gases because its filled valence shell (1s2) gives it the same inert character as the other noble gases.
Helium is chemically inert and placed in group 18 with the noble gases because its filled valence shell (1s2) gives it the same inert character as the other noble gases.