6. A(n) 6 is a tiny element that is part of an atom, such as an electron, proton (质子), or neutron (中子). 相关知识点: 试题来源: 解析 6.particle 该题要求填写一个词,指代原子中的微小组成部分,例如电子、质子或中子。这些粒子被称为“基本粒子”,但更准确地说,质子和中子是由更小...
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...
An atom is a basic structural unit of matter, the smallest particle of an element ___ into chemical combination. A. that can enter B. can it enter C. when entering it can D. that E. nters can 相关知识点: 试题来源: 解析 A 答案:A分析:that引导定语从句,element为先行词。the smallest...
(i) State the number of the group in the Periodic Table in which this element is found.(ii) Explain your answer in terms of the atom's electronic configuration.(iii) State the number of the period in the Periodic Table in which this element is found.(iv) Identify the element.(v) Com...
百度试题 结果1 题目一、 将下列句子译成汉语,注意冠词的省略:4. The atom is the smallest particle of an element. 相关知识点: 试题来源: 解析 4.原子是元素的最小的粒子 反馈 收藏
Atom (原子)被认为是the smallest part of an element that has the properties of that element,它自身又由proton (质子), neutron (中子)和electron (电子)组成。虽然electron的质量仅为proton or neutron的1/1836,但它在许多方面(e.g. ionisation energy, chemical bond, etc. )发挥重要作用!
Atoms are building materials of all matter, because by putting together atoms in different ways, all elements and compounds can be formed. An element is a substance or a kind of thing that has only one type of atom. Pure oxygen has only oxygen atoms.
结果1 题目 An atom is a basic structural unit of matter, the smallest particle of an element __ into chemical combination. A. that can enter B. can it ente C. when entering it can D. that enters can 相关知识点: 试题来源: 解析 A 反馈 收藏 ...
百度试题 结果1 题目 28 In which type of reaction can an atom of one element be converted to an atom of another element? (4)(1)addition(3)substitution(2)reduction(4)transmutation 相关知识点: 试题来源: 解析 (4) 反馈 收藏
5 The diagram shows an atom of an element.A ee key e= electron ee= nucleus containing eleven particles eHow many protons and neutrons are in the nucleus of the atom and in which group and period of the Periodic Table is the element found?number of number of group period protons neutrons...