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Category:Chemical elements
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{{Cat main|Chemical element}} {{Commons category}} A '''[[chemical element]]''' is a substance that cannot be divided or changed into different substances by ordinary chemical methods. The smallest particle of such an element is an [[atom]], which consists of [[electron]]s centered around a [[Atomic nucleus|nucleus]] of [[proton]]s and [[neutron]]s. [[Category:Atoms]] [[Category:Concepts in chemistry|+]] {{CatAutoTOC}}
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