Magnesium is a chemical element with atomic number 12 and symbol Mg. It belongs to Group 2 (alkaline earth metals) in the periodic table and has two valence electrons.
Related terms
Atomic Number: The atomic number represents the number of protons found in an atom's nucleus.
Electron Configuration: This refers to how electrons are arranged within specific energy levels around an atom's nucleus.
Alkaline Earth Metals: This is a group/family on the periodic table that includes elements such as magnesium, calcium, and barium.