Understanding the behavior of materials at their interfaces — where they connect to and interact with other materials — is central to engineering a variety of devices used to process, store and ...

Oxygen, the third most abundant element in the cosmos and essential to life on Earth, changes its forms dramatically under pressure transforming to a solid with spectacular colors. Eventually it ...

Chemical bonding is the force of attraction that holds atoms together to form molecules or compounds. There are two primary types of chemical bonds: ionic and covalent bonds. Both these bonds play a ...

The three states of matter can be represented by the particle model. This model explains the properties of substances in their different states, as well as changes of state. Interactive activity: ...

Silica has a giant covalent structure containing silicon atoms (grey) and oxygen atoms (red) Learn more on properties of giant covalent compounds in this podcast. Listen to the full series on BBC ...

Washington, D.C.--Oxygen, the third most abundant element in the cosmos and essential to life on Earth, changes its forms dramatically under pressure transforming to a solid with spectacular colors.

A reversible covalent reaction in which two oxygen-insensitive radicals combine to form a carbon–carbon bond provides the mechanism by which a polymer gel can self-heal at room temperature without the ...