3-1-1. Which of the following has the highest electronegativity?
A. Na, B. Br, C. F
3-1-2. Which type of element has the lowest electronegativity?
A. a metal, B. a nonmetal, C. a metalloid
3-1-JJW. Which element has the lowest electronegativity?
A. Ca, B. Se, C. S, D. Mg
3-1-ALD-1. Choose the diatomic molecule/ion that would have the least polar bond.
A.CO, B. HF, C. N2, D. CN-
3-1-ALD-2. Of the elements fluorine, carbon, oxygen, and chlorine, which is the most electronegative?
A. F, B. Cl, C. C, D. O
