Periodic Table

Definition of the Beryllium Element

A high-melting, lightweight, corrosion-resistant, rigid, steel-gray metallic element used as an aerospace structural material, as a moderator and reflector in nuclear reactors, and in a copper alloy used for springs, electrical contacts, and non-sparking tools.

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is the chemical element with the symbol Be and atomic number 4.

It is a divalent element which only occurs naturally in combination with other elements in minerals.

Notable gemstones which contain beryllium include beryl (aquamarine, emerald) and chrysoberyl.

As a free element it is a steel-gray, strong, lightweight and brittle alkaline earth metal.

Beryllium is primarily used as a hardening agent in alloys, notably beryllium copper. In structural applications, high flexural rigidity, thermal stability,