Which element has the following electron configuration: 1S₂ 2S₂ 2p6 3S₂?

Name: Which element has the following electron configuration: 1S₂ 2S₂ 2p6 3S₂?
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The electron configuration 1s² 2s² 2p⁶ 3s² corresponds to magnesium (Mg), which has 12 electrons. This configuration fills the first and second shells completely and adds two electrons to the third shell, matching magnesium's position in the periodic table.

Which Element Has the Following Electron Configuration: 1S₂ 2S₂ 2p6