Connecting Chemistry


Atomic symbol: Mg
Atomic number: 12
Atomic mass: 24.31

Appearance: shiny gray solid at 25°C

Group: 2
Period: 3
Series: Alkali earth mtals
Block: s
Electron configuration: 1s² 2s² 2p⁶ 3s²

Highly abundant on Earth, existing in all organisms.

Burning with a bright white flame, magnesium is used in fireworks.

Fun Fact! Magnesium is an essential micronutrient required by the human body for many metabolic processes, including for proper sleep. Pumpkin seeds and spinach are great sources.