Question

question 10 (1 point) which group will have an electron configuration that ends in s²? a alkaline earth metals (group 2) b alkali metals (group 1) c halogens (group 17) d noble gases (group 18)

Explanation:

Alkaline earth metals in Group 2 have an outer - shell electron configuration that ends in s². Alkali metals end in s¹, halogens end in p⁵, and noble gases (except helium) end in p⁶.

Answer:

A. Alkaline earth metals (Group 2)