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Unformatted text preview: of the S atom is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 4 (Table 2.2), the configuration for S 2-is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 . 30 Concept Check 2.3 Question: Offer an explanation as to why covalently bonded materials are generally less dense than ionically or metallically bonded ones. Answer: Covalently bonded materials are less dense than metallic or ionically bonded ones because covalent bonds are directional in nature whereas metallic and ionic are not; when bonds are directional, the atoms cannot pack together in as dense a manner, yielding a lower mass density....
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- Fall '07