网络最轻的元素是氢 网络释义 1. 最轻的元素是氢 翻译词典... ... the lightest element 最轻的元素The lightest element is hydrogen.最轻的元素是氢。 ... chinafanyi.com|基于8个网页
百度试题 结果1 题目Which one is not an element? A. Hydrogen B. Oxygen C. Water D. Iron 相关知识点: 试题来源: 解析 C。本题考查物质分类。Hydrogen(氢)、Oxygen(氧)、Iron(铁)都是元素,而 Water(水)是化合物,不是元素。反馈 收藏
E①Hydrogen (氢) is the lightest element in the world, and there's more hydrogen in the world than you think-for example, water has hydrogen elements. Some think it could be a big deal in the energy industry (能源产业). It burns easily and can power things that need a lot of heat...
hydrogen is the lightest element. 青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译! 翻译结果1翻译结果2翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 氢是最轻的元素。
Hydrogen is the fundamental element of the universe___it provides the building blocks from which the other elements are produced.( )A.so thatB. but thatC. in thatD. provided that. 答案 C,考查连词的辨析,so that以致于,but that若非,in that因为,provided that假如,此处指因为它...
Hydrogen is a clean alternative to methane and is the most abundant chemical element, estimated to contribute 75% of the mass of the universe. Find out why hydrogen is important as a future clean energy source to fuel our homes and businesses.
2 This question is about hydrogen, the element with atomic number Z =1.(a)(i) Hydrogen has two stable isotopes, H and H. Complete the table to show the number of subatomic particles present in the nuclei of these two isotopes of hydrogen.(1)Isotope Number of protons Number of neutrons...
4. Water is a compound containing the _elements (element) of hydrogen and oxygen. 相关知识点: 试题来源: 解析 答案见上4.elements〔提示:句意:水是含有氢元素和氧元素的化 合物。element n. 元素。 根据后面的 hydrogen 和 oxygen 可知,应用复数形式,故填 elements。 ] ...
aHydrgen is the fundamental element of the universe in tha provides the building blocks from which the other elements are produced Hydrgen是宇宙的根本元素在tha提供其他元素导致的积木 [translate] a俄语呀 Русско [translate] aYou are so bright 您很聪慧 [translate] aHydrogen is the ...
Hydrogen (H) is the first element on the periodic table and is the most abundant gas in the known universe. Each atom of hydrogen consists of only one proton. Despite this, there is no natural hydrogen produced on Earth as it is only found in a combined form. Water (H2O), for example...