User talk:207.159.88.170

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Hello! I noticed your contributions to Aufbau principle&#32;and wanted to welcome you to the Wikipedia community. I hope you like it here and decide to stay. You are welcome to edit anonymously; however, creating an account is free and has several benefits (for example, the ability to create pages, upload media and edit without one's IP address being visible to the public).

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Happy editing! YBG (talk) 14:00, 30 September 2021 (UTC)