Periodic table - magnesium 0.0 / 5HideShow resource informationScienceMagnesiumStandard GradeNoneCreated by: NicstarCreated on: 30-01-14 05:50 5314 Across 1. How many electrons does the third shell have? (3) 4. Magnesium is a (metal or nonmetal) (5) 5. How many electrons does the second shell have? (5) Down 1. How many electron shells does magnesium have? (5) 3. How many electrons does the first one have? (3)
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