File talk:Periodic variation of Pauling electronegativities.png
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The EN of Pb is less than that of Sn so the group 14 trend is incorrect. see https://www.ptable.com/ It did not look right to me so I checked it. — 以上未签名的留言是由该用户加入的: ArthurCammers (留言 • 贡献) 23:04, 12 June 2020 (UTC)