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Write the electron configuration of [Na]?

1. Na

2. Na+

3. O

4. O^2^-

5. Co^2^+

2006-11-13 10:24:09 · 1 answers · asked by Lightning 1 in Science & Mathematics ➔ Chemistry

1 answers

1. 1s2 2s2 2p6 3s1
2. 1s2 2s2 2p6
3. 1s2 2s2 2p4
4. 1s2 2s2 2p6
5. 1s2 2s2 2p6 3s2 3p6 3d7 4s2

2006-11-13 10:32:32 · answer #1 · answered by James Chan 4 · 0⤊ 0⤋

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