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Chemistry, 03.11.2020 01:00 Basicwhitegirl1

Sodium (Na) has an atomic number of 11 and an atomic mass of 23. Which of the following correctly shows the electron arrangement for sodium?
2,9,1
2,8,2
2,9
2,8,1

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Sodium (Na) has an atomic number of 11 and an atomic mass of 23. Which of the following correctly sh...
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