![Image representing magnesium including Magnesium granules](http://static.sciencelearn.org.nz/images/images/000/004/065/full/IYPT_ART_08_Magnesium_Card_CorrectedFINAL.jpeg?1674173043)
On the periodic table of elements, magnesium is represented by the symbol Mg. It has an atomic number of 12 because it has 12 protons in its nucleus.
Magnesium granules image © Leiem/CC BY-SA 4.0
On the periodic table of elements, magnesium is represented by the symbol Mg. It has an atomic number of 12 because it has 12 protons in its nucleus.
Magnesium granules image © Leiem/CC BY-SA 4.0