Atoms of one element can join atoms of another element to make a molecule of something different from ___ of the elements themselves. A) either B) neither C) all D) none 相关知识点: 试题来源: 解析 答案:A 解析:考查代词的用法。此句意思是:一个元素的原子能与其它元素的原子结合形成某个...
The invention is in the field of a radionuclide generator. A radionuclide is an atom with an unstable nucleus, which is a nucleus characterized by excess energy available to be imparted either to a newly created radiation particle within the nucleus or to an atomic electron. Radionuclide ...
The meaning of ATOM is the smallest particle of an element that can exist either alone or in combination. How to use atom in a sentence. Did you know?
英语翻译elements are substances made up of only one kind of atom.atoms of an element all contain the same number of protons.elements can be classified according to the particles they are made up frpm.elements can be classified by there state (or phase )at room temperature.the state means wh...
Thus, the number of protons in an atom identifies it as an atom of a particular element. The number of protons in an atom is referred to as the atomic number. 因此,原子中的质子数决定了原子的种类。原子中的质子数等于其原子序数(元素序数)。
单选题: All atoms of a given element have the same ___. 选项: A. number of electrons and neutrons B. mass C. density D. number of protons E. number of neutrons 相关知识点: 试题来源: 解析 [number of protons] 反馈 收藏
百度试题 结果1 题目必答All atoms of a given element have the same_. A. mass B. number of protons C. number of neutrons D. number of electrons and neutrons E. 相关知识点: 试题来源: 解析 B 反馈 收藏
句子 After all, the Sun has many more atoms of any element, say iron, than does a meteorite specimen, but the ratios of iron to silicon in the two kinds of matter might be comparable. 问题 句子分析(俗称“长难句分析”)是训练提高基础阅读能力的有效手段。我们通过对托福(TOEFL)、雅思(IELTS)...
解析 首先句子后面是作定语的,由主句可以知道,修饰的是主语element.因为atoms是原子的意思,对于元素来说,逻辑关系自然是“元素里的原子”,所以element和atoms具有从属关系,用whose(注意啦!在定语从句表示从属关系的时候,关系词whose不仅仅适用于人,也可以适用于物)...
of an element stands for one atom of the element. The formula of the element, however, stands for one molecule of the element. Most elements are solid at room temperature. Some of these elements are made up of single atoms placed closely together within the solid, e.g. copper, iron, ...