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Chemistry
Elements
For which element is the following statement is true? The element at which the third shell is completely filled. Please give the element symbol.
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The element for which the statement is true is argon. The electron configuration of argon is 1s², 2s², 2p⁶, 3s², 3p⁶, which means that the third shell (n=3) is completely filled. The symbol for argon is Ar.
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