Magnesium

Magnesium is a chemical element with the symbol Mg and the atomic number 12. It is a shiny gray solid and is the eighth most abundant element in the Earth's crust. Magnesium is an essential mineral for human health and is involved in over 300 biochemical reactions in the body. It plays a crucial role in muscle and nerve function, energy production, and bone health.

Physical and Chemical Properties

Atomic symbol: Mg
Atomic number: 12
Atomic mass: 24.305 u
Physical state at room temperature: Solid
Color: Shiny gray
Melting point: 650°C (1,202°F)
Boiling point: 1,090°C (1,994°F)
Chemical properties: Highly reactive, easily forms compounds

Uses of Magnesium

Magnesium has a wide range of uses in various industries and applications, including:

Manufacturing of lightweight alloys for use in aerospace and automotive industries
Production of fireworks and flares due to its bright, white light when ignited
As a component in the production of high-strength, low-weight materials for sports equipment and electronics
As a supplement for treating magnesium deficiency in humans and animals

Study Guide

Here are some key points to remember about magnesium:

Magnesium is a chemical element with the symbol Mg and the atomic number 12.
It is essential for human health and is involved in over 300 biochemical reactions in the body.
Magnesium is a shiny gray solid with a melting point of 650°C and a boiling point of 1,090°C.
It is highly reactive and easily forms compounds with other elements.
Magnesium is used in the manufacturing of lightweight alloys, fireworks, sports equipment, and as a dietary supplement.

Remember to study the physical and chemical properties of magnesium, its uses, and its importance in human health for a comprehensive understanding of this essential element.