Anatomy & Physiology › Section B · The chemical level › Topic B.2
Chemical bonds
Atoms in the body rarely stay alone. They give up, take or share electrons, and the attractions that result hold together everything from table salt to DNA. Three kinds of bond matter most in physiology: ionic, covalent and hydrogen bonds.
In this topic
- Why atoms bond
- Ions: cations and anions
- Ionic bonds
- Worked example: building an ionic compound
- Covalent bonds
- Polar and nonpolar covalent bonds
- Worked example: classifying bonds
- Hydrogen bonds
- Comparing the bonds
- Common mistakes to avoid
- Key takeaways
This topic is part of Wuanberri Pro. Checking your access…