For stars significantly more massive than the Sun, what element marks the end of the sequential fusion process in the core?

Answer

Iron

Stellar nucleosynthesis continues building heavier elements until the core becomes predominantly made of iron, which is a cosmic dead-end for energy generation.

For stars significantly more massive than the Sun, what element marks the end of the sequential fusion process in the core?

#Videos

Do All Stars Synthesize Heavier Elements? - YouTube

starFusion