A. Copper oxide B. Oxygen copper C. Copper oxygen D. Oxide copper 相关知识点: 试题来源: 解析 A。解析:铜(copper)是金属元素,氧(oxygen)是非金属元素。根据英文命名规则,金属在前,非金属在后且氧变为oxide,所以是Copper oxide。B、C、D选项不符合正确的命名规则。反馈...
Water is a compound c___ the elements of hydrogen and oxygen.(根据首字母单词拼写) 相关知识点: 试题来源: 解析 containing [解析] 考查非谓语动词。句意:水是一种含有氢和氧元素的化合物。根据句意以及首字母提示,空处应用动词contain,表示“包含,含有”,contain与逻辑主语compound之间是主动关系,所以空处...
4、Water is a compound containing the elements hydrogen and oxygen.水是含有氢元素和氧元素的化合物。5、A lack of oxygen may inhibit brain development in the unborn child.缺氧可能阻碍胎儿的大脑发育。
aA compound is a substance that can be split into two or more elements. Water is a compound because it can be split into its components, hydrogen and oxygen. 化合物是可以被分裂成两个或多个元素的物质。 因为它可以被分裂成它的组分、氢和氧气,水是化合物。 [translate] ...
Water is a compound of hydrogen andoxygen. 水是氢和氧的化合物. 《现代英汉综合大词典》 Oxygenis one of the basic elements of substance. 氧是物质的基本元素之一. 《简明英汉词典》 Qualitative analysis shows that water is made up of hydrogen andoxygen. ...
Show all of the atoms and all of the bonds.Name compound Y.name(iii) Give the name used to describe a 'family' of similar compounds with the same general formula, similar chemical properties and the same functional group.(d)Propene is an unsaturated hydrocarbon. The formul a of propene ...
Question 11An organic compound is known to contain only carbon, hydrogen and oxygen. The compound contains, by mass, 39.1% of carbon and 8.7% of hydrogen.The number of carbon atoms in the empirical formula is C A. I B. 2 C. 3 D. 4 ...
我位于紧挨小条。 不能等待遇见您![translate] afor you,a thousand times over,and than there is a way to be good again 为您,一千次,和比再有一个方式是好[translate] awater is a compound containing the elements of hydrogen and oxygen 水是包含氢和氧气的元素化合物[translate]...
英语翻译Nitrous oxide (N2O),more properly calleddinitrogen monoxide,is a compound with many interesting uses.It wasdiscovered in 1772 by Joseph Priestley (who is also given credit fordiscovering oxygen gas),and its intoxicating effects were noted
It is also used in smelting and in other metal fabrication processes. In addition, it is widely used in numerous chemical processes, such as the production of fertilizer and in the manufacture of paints and varnishes. Oxgen, on the other hand, is a compound made up of two oxygen atoms ...