Problem: How many valence electrons are in an atom of magnesium?

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We have to determine how many valence electrons are there in an atom of magnesium.

Magnesium is a main-group metal and belongs to group 2A of the periodic table.

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How many valence electrons are in an atom of magnesium?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the The Electron Configuration concept. You can view video lessons to learn The Electron Configuration. Or if you need more The Electron Configuration practice, you can also practice The Electron Configuration practice problems.