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 3 subcategories, out of 3 total.
Pages in category "Chemical elements"
The following 6 pages are in this category, out of 6 total.