Periodic Trends: Ionic Radius (Which ion is smaller?)

Описание к видео Periodic Trends: Ionic Radius (Which ion is smaller?)

The size of an ion can be determined by:
How many shells have electrons in them. More shells = larger ion
How many protons the ion has. More protons = smaller ion
How many electrons the ion has. All else being equal, more electrons = larger ion.
Metal ions (positive, cations) are smaller than their corresponding elements
Non-metal ions (negative, anions) are larger than their corresponding elements.

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