Explanation:
Electronegativity corresponds to the ability of the nucleus of an atom to attract the electrons involved in a chemical bond.
Elements belonging to the same period (same row) of the Periodic Table, we will see that electronegativity increases from left to right.
Elements belonging to the same group (same column), electronegativity increases from bottom to top.
The element among sulfur, nitrogen, silicon and chlorine that has the higher eletronegativity is chlorine.
Answer: d. chlorine
