In this online biology textbook, learn about atoms and molecules as they relate to life. Find out about topics such as electrons and energy, chemical bonding, and chemical reactions.

[Free Registration/Login may be required to access all resource tools.] Covers the structure and properties of water.

The first section of this lecture on polarity and electronegativity discusses what polar covalent bonds are by using carbon dioxide as an example.

This site, which is a personal site from Kimball's Biology, provides an overview with multiple examples of electronegativity.

Problem sets, tutorials, and activities related to biochemistry.

[Free Registration/Login may be required to access all resource tools.] Covers structure of water molecule, hydrogen bonding on water, polarity of water molecule, and bond angles of water molecule.

Created to teach students of the 21st century, SOPHIA is bringing electronegativity straight to your fingertips. Become the commander of your own learning experiences as you take part in this interactive lesson and help make learning...

[Free Registration/Login may be required to access all resource tools.] Students will be introduced to some of the basic concepts of chemistry.

Learn that boiling point, solubility, and DNA are affect by intermolecular forces in this module. Module includes lessons with questions and animations to explain London dispersion and dipole-dipole attractions. To conclude the lessons,...

This lesson will provide an understanding of the chemical and physical nature of water. It is 3 of 4 in the series titled "The Properties of Water."

This lesson will provide an understanding of the chemical and physical nature of water. It is 4 of 4 in the series titled "The Properties of Water."

This lesson will provide an understanding of the chemical and physical nature of water. It is 1 of 4 in the series titled "The Properties of Water."

Test your knowledge of Chemistry. Complete the diagram by dragging the labels to the correct location.

Lesson plan in which students design an experiment to determine if different types of liquids affect the amount of dissolution of an M&M candy shell.

Young scholars use their own model of a salt crystal and water molecule to show how water dissolves salt. Then, they relate their observations to the structure of salt, water, and alcohol on the molecular level.

Explore the concept of electronegativity and how it trends across the periodic table of elements. The author uses simple, humorous drawings to help with understanding.

[Free Registration/Login may be required to access all resource tools.] Students look at the chemical structure of water and learn how it determines water's properties.

[Free Registration/Login may be required to access all resource tools.] Covers the structure and properties of water.