User talk:Charlieb000

Welcome
Welcome!

Hello, Charlieb000, and welcome to Wikipedia! Thank you for your contributions. I hope you like the place and decide to stay. Here are some pages that you might find helpful: I hope you enjoy editing here and being a Wikipedian! Please sign your messages on discussion pages using four tildes ( ~ ); this will automatically insert your username and the date. If you need help, check out Questions, ask me on my talk page, or ask your question on this page and then place  before the question. Again, welcome! RJFJR (talk) 14:12, 28 January 2012 (UTC)
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Possibly unfree File:PTOE-electron shells, He to Rn.GIF
A file that you uploaded or altered, File:PTOE-electron shells, He to Rn.GIF, has been listed at Possibly unfree files because its copyright status is unclear or disputed. If the file's copyright status cannot be verified, it may be deleted. You may find more information on the file description page. You are welcome to add comments to its entry at if you are interested in it not being deleted. Thank you. Stefan2 (talk) 14:15, 28 January 2012 (UTC)

Transcritical cycle
Your edit was unsourced, and probably removed as such. Please add references. Adding references is how we ensure that content is valid. Without references, a reader can not easily validate information and there is no presumption of accuracy. See Help:Referencing for beginners and Help:footnotes. This is covered by the Wikipedia policy of wp:verifiability (WP:V). Please wp:cite your edits with wp:reliable sources (RS). Per WP:V unsourced content can be removed. Thank you Jim1138 (talk) 06:28, 12 April 2017 (UTC)