1.1 What is Chemistry?

http://www.ck12.org Chapter 8. Ionic and Metallic Bonding

(d) Br

(e) Al

(f) Se

Further Reading / Supplemental Links

• Pough, Frederick. 1988. Rocks and Minerals, Peterson Field Guides. Boston: Houghton Mifflin.

Points to Consider

• So far, we have been discussing the fact that cations and anions form when electrons are lost or gained,
  respectively. However, the electrons must be lost to something or gained from something. Where are electrons
  lost to, and where do they originate from?