Is plutonium an element compound or mixture? Plutonium is a radioactive chemical element with the symbol Pu and atomic number 94. It is an actinide metal of silvery-gray appearance that tarnishes when exposed to air, and forms a dull coating when oxidized. The element normally exhibits six all...
What is the formula of the compound which forms between the ammonium ion and bromine? a) {eq}NH_3Br {/eq} b) {eq}NH_4Br {/eq} c) {eq}NH_3Br_2 {/eq} d) {eq}NH_4Br_2 {/eq} e) {eq}(NH_4)_2Br {/...
In general, an atom’s electronegativity is affected by both its atomic number and the distance at which its valence electrons reside from the charged nucleus. The higher the associated electronegativity number, the more an element or compound attracts electrons towards it. The most electronegative a...
Is beryllium an alkaline earth metal? What is the chemical element antimony? What is the noble gas notation of sulfur (S)? Is calcium a metal? What will be the formula of a compound formed by aluminum and sulfur? Difference between rhombic and monoclinic sulphur?
18 A student reacts pent-2-ene with bromine in the laboratory.Which compound is formed? A 1,1-dibromopentane B 1,2-dibromopentane C 2,2-dibromopentane D 2,3-dibromopentane Your answer D 相关知识点: 试题来源: 解析 D 反馈 收藏
Bromine pentafluorid BrF5 is an interhalogen compound and a fluoride of bromine. It is a strong fluorination reagent,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、
US7229741 2003年5月29日 2007年6月12日 Inphase Technologies, Inc. Asymmetric acrylate or vinyl ether compound containing sulfide groups, aromatic moieties, and optionally bromine is mixed with a matrix polymer precursor (expecially polyurethane) and reacted; holography recording medium...
Impaired functional and physiological changes in the mother or the placenta can have short- and long-term impacts on her health and of the health of the fetus. • An increasing number of studies demonstrate that exposure to endocrine disrupting compounds (EDCs) affect both the mother and the ...
Boron tribromide or BBr3 is a colorless fuming liquid compound containing boron and bromine. It is decomposed by water and alcohols. 3d illustration,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、
25. An isophthalamide compound, wherein the isophthalamide compound has a structure shown by general formula I: In the general formula I: R1 is selected from halogen; R2 is selected from halogen, C1-C4 halogenoalkyl, and C1-C4 halogenoalkoxy; R3 is CF3 or CF2CF3; R4 is selected ...