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Chemistry, 16.12.2020 18:50 bob8939

The electron configuration for an element is 1s2 2s2 2p6 3s2 3p6. What is the atomic number of the element? * A. 3
B. 11
C. 18
D. 22

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The electron configuration for an element is 1s2 2s2 2p6 3s2 3p6. What is the atomic number of the e...
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