Final answer:
The element being described is gold, a yellow, nonreactive, metallic element that has been highly valued since ancient times for its beauty and durability.
Step-by-step explanation:
The subject of this question falls under Chemistry. The element being described is gold, a yellow, nonreactive, and metallic element that has been highly valued since ancient times for its beauty and durability. Gold is shiny, malleable, ductile, and conducts heat and electricity well. It also has variable hardness and melting temperature.