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Curated Video
Metallic bond
A metallic bond is the attractive force that exists between positively charged ions and the 'sea' of negative electrons in a metal element.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60...
<
br/>
A Twig Science
Glossary Film.
Key scientific terms defined in just 60...
Khan Academy
Khan Academy: Groups of the Periodic Table
An explanation of groups on the Periodic Table and their characteristics. [8:19]
Khan Academy
Khan Academy: Atomic and Ionic Radii
An explanation of the sizes of different atoms due to the number of electrons that are orbiting in energy shells. [11:25]
Khan Academy
Khan Academy: Electronegativity
Electronegativity is defined and compared to electron affinity. Trends based on groups and periods are also explored. [9:54]