|—the internet domain name for|
|—the chemical symbol for|
The symbol for the element magnesium.
Abbreviation of milligram
The symbol for magnesium.
|magnesium (māg-nē'zē-əm) Pronunciation Key
A lightweight, moderately hard, silvery-white metallic element of the alkaline-earth group that burns with an intense white flame. It is an essential component of chlorophyll and is used in lightweight alloys, flash photography, and fireworks. Atomic number 12; atomic weight 24.305; melting point 649°C; boiling point 1,090°C; specific gravity 1.74 (at 20°C); valence 2. See Periodic Table.