Beryllium

Beryllium is a chemical element with the symbol Be and atomic number 4. It is a relatively rare element, and is extracted from beryl, a mineral that contains traces of beryllium compounds. Beryllium has many useful properties, including high strength, low density, and excellent thermal conductivity, which make it a valuable material in a variety of applications, such as aerospace, nuclear, and medical industries. It is classified as an Alkaline Earth Metal.

Atomic Number	4
Electron Configuration
Electrons Per Shell	2-2

Crystal Structure: Simple Hexagonal

Space Group Number: 194

Beryllium is also interesting from a physics perspective due to its unique electronic structure. It has four electrons arranged in two energy levels, with two in the first and two in the second. This makes it an interesting subject for study in both quantum mechanics and solid-state physics.

In its natural form, beryllium is not harmful, but its compounds can be toxic if inhaled, which has led to strict regulations on its use.

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