Question

Of the following elements, which has the lowest electronegativity?

A. Br
B. Cl
C. Ca
D. Mg

Thank you!:)

Answer 1

B.Br is the right answer.

Step-by-step explanation:

because Bromine is non metal . in other words the atomic size of Br is bigger than other elements so valance shell of Br is father to nucleus than of cl . so it gain one electron to late than chlorine . so Be is lowest electronegative.