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 ...
Purified carbon nanotubes having an iron content from about 2.5 to about 3.5 by weight that are substantially free of derivatization at the ends and defect sites are made available via this method.Mackeyev, YuriWilson, Lon J.
At room temperature, bromine exists as a reddish-brown color liquid with substantial vapor pressure. It exhibits violent behavior on reaction with alkali metals and metals such as phosphorus, arsenic, aluminum, and antimony; however, the degree of behavior may vary. The 3.41 g of bromine deliques...
2 The halogens, chlorine, bromine and iodine, and their compounds, show a variety of similarities and trends in their physical and chemical properties.(a)(i) Give the colours and states of chlorine, bromine and iodine at room temperature and pressure.halogen colour state chlorine bromine iodine...
Let’s Begin… The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about bromine. It's one of the few elements that is liquid at room temperature and known for its odorous stench. ...
Bromine (Standard State) -Properties Open DataUnverified Data Bromine is the only non-metallic substance in liquid form at room temperature, with the chemical formula Br ₂. It is a deep reddish brown liquid with an irritating odor and is classified as a Class II controlled precursor chemical...
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...
aconditions, as compared to current bromination techniques. This 条件,与当前溴化技术比较。 这[translate] aIn summary, a new room temperature ionic liquid bromine analog, 总之,一个新的室温离子液体溴类似物,[translate]
Bromine is the only non-metallic substance in liquid form at room temperature, with the chemical formula Br ₂. It is a deep reddish brown liquid with an irritating odor and is classified as a Class II controlled precursor chemical. Bromine has various physical and chemical properties. In ter...
Which nonmetal is liquid at room temperature? A) Mercury B) Caesium C) Bromine D) Rubidium What is the heaviest element of the halogens? a. bromine b. chlorine c. fluorine d. astatine Which of the following are forms of an element? a. ...