Beryllium is a hard and light metal that has a high melting point and unique nuclear properties, which make it vital to numerous aerospace and military applications. Properties Atomic Symbol: Be Atomic Number: 4 Element Category: Alkaline Earth Metal Density: 1.85 g/cm³ Melting Point: 2349 F...
The meaning of BERYLLIUM is a chemical element of the alkaline earth metal group with atomic number 4 that occurs naturally in minerals such as beryl and is steel-gray in color, light and strong but brittle, and is used chiefly as a hardening agent in al
Beryllium chemical element with atomic number symbol and weight,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、360、招商银行
Beryllium is the chemical element with the symbol Be and atomic number 4. A bivalent element, beryllium is found naturally only combined with other elements in minerals. Notable gemstones which contain beryllium include beryl (aquamarine, emerald) and chrysoberyl. The free element is a steel-gray,...
A chemical element, symbol Be, atomic number 4, atomic weight 9.0122. (metallurgy) A rare metal, occurring naturally in combinations, with density about one-third of aluminum; used most commonly in the manufacture of beryllium-copper alloys which find numerous industrial and scientific applications....
Name, Symbol, NumberBeryllium, Be, 4 SeriesAlkaline earth metals Group, Period, Block2 (IIA), 2, s Density, Hardness1848 kg/m3, 5.5 Appearancewhite-gray metallic Atomic properties Atomic weight9.01218 amu Atomic radius112pm Covalent radius90 pm ...
Symbol: Be, atomic number: 4. chemical element noun a light strong brittle grey toxic bivalent metallic element 更多 英文 词典里"beryllium"的近义词 glucinium, atomic number 4, metal是 英文 同义词词典中“beryllium"的热门同义词。
Beryllium (atomic symbol: Be, atomic number: 4) is a Block S, Group 2, Period 2 element with an atomic weight of 9.012182. The number of electrons in each of Beryllium's shells is [2, 2] and its electron configuration is [He] 2s2. The beryllium atom has a radius of 112 pm and...
n.SymbolBe 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 nonsparking tools. Atomic number 4; atomic...
Atomic Number:4 Symbol:Be Atomic Weight:9.012182(3) Reference:IUPAC 2009 Discovery:1798, Louis-Nicholas Vauquelin (France) Electron Configuration:[He]2s2 Other Names:Glucinium or Glucinum Word Origin:Greek:beryllos, beryl; Greek:glykys, sweet (note that beryllium is toxic) ...