Question

which element has the highest electronegativity? mg si cl s

Explanation:

Step1: Recall electronegativity trend

Electronegativity increases across a period and decreases down a group in the periodic table.

Step2: Analyze given elements

Mg is in Group 2, Si is in Group 14, S is in Group 16 and Cl is in Group 17. Among them, Cl is the most right - hand element in the period.

Answer:

C. Cl