- https://www.thoughtco.com/stellar-nucleosynthesis-269931
- Carbon plus helium produces oxygen.
- Oxygen plus helium produces neon.
- Neon plus helium produces magnesium.
- Magnesium plus helium produces silicon.
- Silicon plus helium produces sulfur.
- Sulfur plus helium produces argon.
- Argon plus helium produces calcium.
- Calcium plus helium produces titanium.
- Titanium plus helium produces chromium.
- Chromium plus helium produces iron.