MCAT Question of the Day 213– 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 | 2017-08-15T06:45:28+00:00 February 24th, 2016|Atomic Structure and periodic trends, General Chemsitry, Princeton Review, Question of the Day|Comments Off on MCAT Question of the Day 213– General Chemistry