A substance in which a large number of non-metal atoms are covalently bonded in a continuous network.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and...

How metals and non-metals combine to form compounds with unique and very different properties. Chemistry - Atoms And Bonding - Learning Points. An electrically charged atom is called an ion. Ionic bonds are very strong. Ions are formed...

Long Jane Silver buys an antique table, despite an old sailor’s warning that it is haunted! Is she ready to discover what lies waiting inside? This lesson will introduce the periodic table of elements and explain how it is...