Sulfur was probably the one in the mind of the the question poser, but some would also consider gold a correct answer.
Sulfur is an element that is a yellow non-metallic solid.
This element is sulfur.
Sulfur is an element that is a yellow non-metallic solid.
Sulfur is a yellow element that smells of rotten eggs.
Sulfur is the yellow solid element that smells really bad when burned, emitting a pungent odor often compared to rotten eggs.
sulphur
Sulphur (sometimes spelt: sulfur) is a yellow, non metallic element.
Sulpher / Sulfer (S)
a nonmetal because a metal is shiny and strong so a nonmetal is brittle and dull
Sulfur
Sulfur
Sulfur