Which of the following is a group of highly electronegative elements?
A. Cl, Br, I
B. S, Se, Te
C. Na, K, Rb
D. Ca, Sr, Ba
Answer:A
Which of the following is a group of highly electronegative elements?
A. Cl, Br, I B. S, Se, Te C. Na, K, Rb D. Ca, Sr, Ba