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Sagot :
Answer:
two valence electrons
Explanation:
Magnesium is alkaline earth metal and belongs to group IIA of the periodic table. It has two valence electrons which are present in 3s subshell.
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Answer:
Magnesium has two valence electrons.
Explanation:
Magnesium is element 12 and belongs to Group 2 of the Periodic Table. An element in Group 2 has two valence electrons.
Here is a video which discusses how to determine the electron configuration of magnesium.
https://youtu.be/AOxaVdA-Sv0
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