Science Buddies: "Ask an Expert"

How do the outermost occupied energy level of a calcium ion Ca2+ compare with the outermost occupied energy level of a sulfide ion S2−?

Describe the formation of each ion from its neutral atom.

Can you please let us know a bit about the project you are doing?

Experts can't help with homework questions, but if you are working on a hands-on science project, please let us know more about your project and where you are in the process.

Amy
Science Buddies