This yellow element is a component of gunpowder. It is:
-
chlorine
-
copper
-
gold
-
sulfur
D
Correct answer
Explanation
Sulfur is a yellow element that is a key component of traditional gunpowder (black powder), along with charcoal and potassium nitrate (saltpeter). Sulfur acts as the fuel in the combustion reaction. The yellow color of sulfur is one of its distinctive physical properties.