MCAT Question of the Day 307– General Chemistry

Which of the following elements has a closed valence shell, but not an octet?

Question posted with permission from The Princeton Review

 

By | 2017-08-15T06:45:22+00:00 June 6th, 2016|Atomic Structure and periodic trends, General Chemsitry, Princeton Review, Question of the Day|Comments Off on MCAT Question of the Day 307– General Chemistry
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