1. Which of the following combination of features maximizes electronegativity?

The most element with the maximum electronegativity is fluorine

Explanation:

The fluorine are the ions that mostly are negatively charged and attract to the negative charges. In the periodic table fluorine is the highest and most electronegative ion charged particle.

It is the quality in fluorine's that it attracts those ions that are less electronegative than fluorine. These values are used to know the reaction when one element combined with another element and give the reaction after the combination.

The electronegativity increase from the left to the right in the periodic table. It happened because of the nuclear charge. The halogen have high negative charge where as the alkaline have highest negative charge.