解析 A。解析:在英文中,金属元素写在前面,非金属元素写在后面,然后将非金属元素结尾改成 -ide形式来命名化合物。这里钾(potassium)是金属元素,氯(chlorine)是非金属元素,所以命名为Potassium chloride。B选项顺序错误,C和D选项不符合命名规则。反馈 收藏
4 The electronic structure of a compound formed between an element Y and chlorine is shown below (only valence electrons are shown).CI What is the chemical formul a when sodium combines with element Y? C A Na2Y B NaY2 C Na_3Y D Na_5Y 相关知识点: 试题来源: 解析 C 反馈 收藏...
29. Chlorine is passed into a colourless aqueous solution of a compound Z. At first, a brown colour is seen and then a black precipitate appears. What could Z be? C A ammoni a B iron(III) sulphate C potassium iodide D sodium hydroxide 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
结果1 题目 2 In the compound [ICl_2]^+[SbCl_6] -, the oxidation number of chlorine is -1.What are the oxidation numbers of I and Sb in the compound?I Sb A+1+5B+1+7C+3+5D+3+7Your answer C 相关知识点: 试题来源: 解析 C 反馈 收藏 ...
A compound (I) containing aluminum and chlorine is used to prepare a pharmaceutical or cosmetic composition for treating skin disorders associated with inflammation, irritation or swelling. Independent claims are also included for: (1) pharmaceutical or cosmetic composition comprising (I) in combination...
What chemical element is Cu? What are the different forms of sulfur? What kind of mixture is iron and sulfur? What are the isotopes of sulfur? What is the chemical element chlorine? What chemical element is Si? What chemical element has atomic number 35?
compound / 5kCmpaUnd; `kBmpaJnd/ n 1 (a) thing made up of two or more separate things combined together 复合物. (b) substance consisting of two or more elements chemically combined 化合物: Common salt is a compound of sodium and chlorine. 食盐是钠和氯的化合物. Cf 参看element 3, mix...
What is the formula for the compound formed between the ions of calcium and chlorine? Ionic Compound: Pure substances can be classified as elements or compounds based on the presence of different types of atoms. An element contains particles known as atoms while compounds co...
As the name tells us, the compound is made of chlorine (Cl) and fluorine (F). If you look at the periodic table, you will find they are non-metals. Th...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our ex...
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 ...