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Which element has two shells, both of wh...

Which element has two shells, both of which are completely filled with electrons?

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To determine which element has two shells, both of which are completely filled with electrons, we can follow these steps: ### Step 1: Understand Electron Shells and Configuration - Each element has electrons arranged in shells around the nucleus. The first shell can hold a maximum of 2 electrons, and the second shell can hold a maximum of 8 electrons. ### Step 2: Identify the Element with Two Shells - We need to find an element whose electron configuration shows that both the first and second shells are filled. ...
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