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. Changes of state: ...

The chemical bond is defined, and students learn to distinguish between ionic and covalent Introduction to Bonding: The chemical bond is defined, and students learn to distinguish between ionic, ...

Supercharge your GCSE Chemistry revision by listening to these podcasts from Bitesize and BBC Sounds. Listen on the BBC Sounds app to revise when you're out and about, or listen at home as part of ...

Students learn to draw electron dot diagrams for atoms and Lewis structures for molecules. Bonding, Part II: Students learn to draw electron dot diagrams for atoms and Lewis structures for molecules.

Students look more deeply into the structure of the atom and play a game to better understand the relationship between protons, neutrons, electrons, and energy levels in atoms and their location in ...

Researchers at the US Department of Energy’s Lawrence Berkeley National Laboratory have captured the moment when atoms form a covalent bond. The team happened upon the discovery by accident: they set ...