![](https://upload.wikimedia.org/wikipedia/commons/thumb/1/1d/Information_icon4.svg/40px-Information_icon4.svg.png) | For convenience, all Chemical elements should be included in this category. This includes all elements that can also be found in the subcategories. |
The main article for this
category is
Chemical element.
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 7 subcategories, out of 7 total.