Question

For a given period, which group of elements on the periodic table has the lowest electronegativity?

A. alkali metals

B. alkaline earth metals

C. transition metals

D. halogens

E. metalloids

Answer 1

Can anybody explain?

Answer 2

A. Alkali metals. Because their valence shell contains only one electron, they do not have more capacity to attract electrons. Instead they loose electrons and become more electropositive.

Answer 3

thanks a lot!!!