Topical Questions
These questions are keyed to the major topics in the chapter. Usually a question that is answered at the back of this book is paired with a similar one that is not.
Write electron configurations for these atoms.
(a) Strontium (Sr), named for a town in Scotland.
(b) Tin (Sn), a metal used in the ancient world. Alloys of tin (solder, bronze, and pewter) are important.
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