Beryllium is a chemical element; it has symbol Be and atomic number 4. It is a steel-gray, hard, strong, lightweight and brittle alkaline earth metal. It is a divalent element that occurs naturally …

2025年3月13日 · beryllium (Be), chemical element, the lightest member of the alkaline-earth metals of Group 2 (IIa) of the periodic table, used in metallurgy as a hardening agent and in …

Beryllium is the 4th element in the periodic table and has a symbol of Be and atomic number of 4. It has an atomic weight of 9.01218 and a mass number of 9. Beryllium has four protons and …

Beryllium is a silvery-white metal. It is relatively soft and has a low density. Beryllium is used in alloys with copper or nickel to make gyroscopes, springs, electrical contacts, spot-welding …

Beryllium is a chemical element with symbol Be and atomic number 4. Classified as a n alkaline earth metal, Beryllium is a solid at room temperature. J.C. Slater, J Chem Phys, 1964, 41 (10), …

Beryllium (pronunciation beh-RIL-ee-em [2]), represented by the chemical symbol or formula Be [1], is a light-weight, high-strength element belonging to the family of alkali earth metals [3, 15, …

Pure beryllium was discovered in 1828 by Friederich Wöhler and Antoine Bussy. Beryllium Foils. Image: Deglr6328 (Ref. 6.) Three varieties of beryl (left) and an emerald (right). Beryl and …

2019年7月3日 · Properties: Beryllium has a melting point of 1287+/-5°C, boiling point of 2970°C, specific gravity of 1.848 (20°C), and valence of 2. The metal is steel-gray in color, very light, …

Get the facts about element Beryllium (Be) [4] from the periodic table. Find physical data, electron configuration, chemical properties, aggregation states, isotope data (including decay trees) as …

Basic Information | Atomic Structure | Isotopes | Related Links | Citing This Page Basic Information Name: Beryllium Symbol: Be Atomic Number: 4 Atomic Mass: 9.012182 amu …