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Visit the website for this channel at AtomicKids.org . This video shows how there are 92 naturally occurring elements, one for each kind of atom, and how they are arranged into a table according to their relative weights. It also shows how the elements are arranged in rows and groups, the latter containing elements with similar properties, like members of a family. The expanded table is shown, and how this is abbreviated into the common Periodic Table. The division between metals, semi-metals and non-metals is discussed, with notable examples.