https://www.acs.org/content/dam/acsorg/edue
emistry/chemmatters-oct2009-origin-chem-elem.pdf
"Where Do Elements Come From?" Chemmatters. American Chemical Society. Oct. 2009.
1. Explain the process that creates chemical elements lighter than iron, including evidence.
2. Describe the process that creates chemical elements heavier than iron, including evidence.
3. Explain the "s" and the "r" processes.
4. What is visible spectroscopy and how is it used?