Category:Chemical elements
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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 electrons centered around a nucleus of protons and neutrons.
Subcategories
This category has the following 34 subcategories, out of 34 total.
Pages in category "Chemical elements"
The following 174 pages are in this category, out of 174 total.