How do you determine the electron configuration of Na?

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How do you determine the electron configuration of Na?

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Answer 1 · 2018-06-04T19:38:55

Well, how many electrons does a sodium atom have?

Explanation:

It has $11$ $11$ electrons. How did I know this? How will you know this if it is asked in your exam? And we write the electronic configuration in the usual $aufbau$ $"aufbau"$ way...

$N a : 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1}$ $Na:1s^(2)2s^(2)2p^(6)3s^1$

The $3 s$ $3s$ electron is READILY LOST, and this sodium metal is a very capable REDUCTANT....

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How do you determine the electron configuration of Na?

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