Category talk:Environmental isotopes

	Chemistry portal This category is supported by WikiProject Elements, which gives a central approach to the chemical elements and their isotopes on Wikipedia. Please participate by editing this category, or visit the project page for more details.ElementsWikipedia:WikiProject ElementsTemplate:WikiProject Elementschemical elements articles
Category	This category does not require a rating on Wikipedia's content assessment scale.
	This category is supported by the Isotope Taskforce.

Environment Category‑class

	Environment portal This environment-related category is part of the WikiProject Environment to improve Wikipedia's coverage of the environment. The aim is to write neutral and well-referenced articles on environment-related topics, as well as to ensure that environment articles are properly categorized. Read Wikipedia:Contributing FAQ and leave any messages at the project talk page.EnvironmentWikipedia:WikiProject EnvironmentTemplate:WikiProject EnvironmentEnvironment articles
Category	This category does not require a rating on Wikipedia's content assessment scale.