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Name three elements that have a single...

Name
three elements that have a single electron in their outermost shells.

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To find three elements that have a single electron in their outermost shells, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Electron Configuration**: - The outermost shell of an atom is the highest energy level that contains electrons. Elements with a single electron in their outermost shell belong to Group 1 of the periodic table, known as alkali metals. 2. **Identifying Group 1 Elements**: ...
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