Question

which element will demonstrate similar reactivity that sulfur has?
○ chlorine
○ sodium
○ oxygen
○ aluminum

Explanation:

Elements in the same group of the periodic table have similar reactivity. Sulfur (S) is in Group 16. Oxygen (O) is also in Group 16, so it has similar reactivity to sulfur. Chlorine is Group 17, Sodium is Group 1, Aluminum is Group 13.

Answer:

Oxygen