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1 November, 19:48

How many valence eclectrons does sodium have

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Answers (2)
  1. 1 November, 19:56
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    1

    Explanation:

    Sodium is a group 1 element and as such it has 1 valence electron.

    The valence electron of sodium can easily be obtained from it's electronic configuration as shown below:

    Na (11) : 1s2 2s2 2p6 3s1

    From the above illustration, we see that the last shell (3s) has only 1 electron. This electron is regarded as the valence electron of sodium.
  2. 1 November, 20:03
    0
    Answer: one valence electron

    Explanation:

    Sodium has one valence electron. The element has a full innermost electron shell of two electrons and a full shell of eight electrons in the next shell. The third shell, which is the outermost and the valence shell, has only one electron. Valence electrons influence chemical reactivity.
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