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)...
Question. Which of the following statements is not correct ? D(A) the number of molecules in 1 gm H2 is greater than the number of molecules in 1 gm CO2B) the number of atoms in 1 gm of an element is not equal to the number of atoms in 1 gm atom of element C) the modern ato...
the constant, 6.02 x 1023, representing the number of atoms in a gram atom or the number of molecules in a gram molecule.Symbol:NAlso calledA′voga′dro con`stant. [1925–30; after A.Avogadro] Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 200...
T he number of neutrons in an atom, the neutronnumber, is given by the quantity A-Z.T he term element refers to, a pure substancewith atoms all of a single kind. T o the chemist the "kind" of atom is specified by its atomic number, since this is the property that determines its ...
百度试题 结果1 题目An element is a substance all of _ atoms have the same atomic number. () A. that B. whose C. what D. which相关知识点: 试题来源: 解析 B 反馈 收藏
34 An element has an atomic number of 4.Which statement about this element is correct? A A It forms ions by losing electrons. B It has four occupied electron shells in each of its atoms. C It is an unreactive gas at room temperature and pressure. D It is found in Group IV of the...
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
搜索智能精选 题目An element is a substance all of _ atoms have the same atomic number. A. that B. whose C. what D. which 答案B
An element is a substance all of _ atoms have the same atomic number.A.thatB.whoseC.w
Each element is defined by the number of protons found in each of its atoms. No matter how many electrons or neutrons an atom has, the element is defined by its number of protons. In fact, it's actually possible to have an atom consisting of only a proton (ionized hydrogen). The peri...