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20 September, 23:22

How many valence electrons does the neutral Mg atom have?

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  1. 21 September, 02:38
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    Magnesium is element 12 and belongs to Group 2 of the Periodic Table. An element in Group 2 has two valence electrons. Also, the electron configuration of Mg is 1s² 2s²2p⁶ 3s² or [Ne]3s². Since the 3s² electrons are the outermost electrons, magnesium has two valence electrons. 23 dic. 2014
  2. 21 September, 03:06
    0
    2 valence electrons
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