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Based on its position in the periodic table of the elements, how many valence electrons does magnesium (atomic number 12) have?

User Dli
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Answer:

2 e'

Step-by-step explanation:

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.

User Omri L
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