Magnesium Facts
Chemical Symbol Mg
Atomic number 12
Atomic weight 24.305
Soft shiny grey solid
An alkaline earth metal
Eighth most abundant element in the Earth's crust
Highly flammable metal
Eleventh most abundant element by mass in the human body
Magnesium is part of chlorophyll in plants
Magnesium reacts with water at room temperature
Highly flammable metal