Which element has the highest electronegativity?
A. Na
B. Mg
C. Al
D. Si
Answer:A
Which element has the highest electronegativity?
A. Na B. Mg C. Al D. Si
Explanation: Na has the highest electronegativity in this group of elements because when going from left to right across a period, electronegativity generally increases, and Na is the first element in the period.