百度试题 结果1 题目25 Bromine is in Group VIl on the Periodic Table.Which describes the appearance of bromine at room temperature? C A grey solid B purple fumes C red-brown liquid D yellow gas 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
bromine is an element with the appearance of deep red colour. it is noxious liquid. and it is one of the members of halogen elements. this element has an appreciable vapour pressure at room temperature. chemical properties of bromine group 17 melting point −7.2°c, 19°f, 266 k period...
Bromine is a halogen element with atomic number 35 and element symbol Br. At room temperature and pressure, it is one of the fewliquid elements. Bromine is known for its brown color and characteristic acrid odor. Here is a collection of facts about the element: Bromine Atomic Data Atomic Nu...
Appearance and Characteristics Harmful effects: Bromine is poisonous and causes skin burns. Characteristics: Pure bromine is diatomic, Br2. Bromine is the only nonmetallic element that is liquid at ordinary temperatures. It is a dense, reddish-brown liquid which evaporates easily at room temperature t...
Bromide is stable for more than 1 year at room or refrigerator temperature, in glass, plastic, clear or brown containers, when in solution with distilled water. The stability of bromide in syrup solution is unknown. Current recommendations include keeping the bromide syrup solution refrigerated and...
The extruded strands after cooling in water at room temperature, were pelletized in a pelletizer 750/3 ex Accrapak System Ltd. The pellets obtained were dried in a circulating air oven ex Heraeus Instruments at the following conditions: For ABS: 75° C. for 4 hours. For Poly(butylene terep...
29卷5期 201O.5 结构化学(JIEGOUHUAXUE) Chinese j Struct. Chem Vb1.29.No.5 796～8O0 Preparation,Single—crystalStructureand AntibacterialActivityofN-((6-—Bromine·—2-- meth0xylquin0line一3一y1)benzy1)一3一morpho— ABSTRACT line-N-(naphthalene--1--y1)propionamide CAIZhi—Qiang LIShan.Rong...