The mass number of an atom is the total number of protons and neutrons contained within the nucleus of the atom. The number of protons determines the element and will always equal the atomic number of that element. The number of neutrons can change and will determine which isotope of that ...
解析 就是单数复数啦... 比如说proton就是一个质子,protons就是多个质子……氢就是one proton…… 在这几个词中,nucleus比较特殊.nucleus是单数,nuclei是复数【参见半径单数=radius复数=radii】 分析总结。 比如说proton就是一个质子protons就是多个质子
In this article, the structure of an atom, you have understood what an atom is, the parts of a bit, the properties of the fundamental particles of an atom, i.e., protons, electrons, and neutrons. With examples of carbon-nitrogen provided on this page, you can explain the structure of ...
An atom with 1 proton is a hydrogen atom; an atom with 11 protons is a sodium atom, and so on. What is the atomic number for 6 protons, 7 neutrons, and 6 electrons? 6. The atomic number is the number of protons in the nucleus. You can identify an element by its atomic number,...
What is the atomic number of an element with 10 protons, 11 neutrons, and 10 electrons? a) 11 b) 21 c) 10 d) 31 What is the atomic number of an element with 6 protons, 7 neutrons, and 6 electrons? A. 7 B. 13 C. 6 D. 12 ...
When looking back at the developments in neutron interferometry, one hopes that finally one type of interferometer will be as compact, robust, and reliable as the perfect crystal interferometer with neutrons, and that it will be the size of a small suitcase. This would enormously boost the field...
5. The nucleus of a hydrogen atom, for example, contains a single proton, while a helium nucleus contains two protons and two neutrons.6. The electrons in an atom are distributed in energy levels or shells around the nucleus, with each shell capable of holding a specific number ...
7.The neutrons and protons form the core of the atom. 中和质构成了原核。 8.It is like cytidine, but with one oxygen atom removed. Deoxycytidine is a compound and a nucleoside. 9.Water is made up of atoms of hydrogen and oxygen. 水由氢和氧的原构成。 10.For many years the atom was...
The base component of matter, comprising a nucleus of neutrons and protons, which is orbited by electrons. The electromagnetic force holds the particles in the atom together. Atom Quotes in A Brief History of Time The A Brief History of Time quotes below are all either spoken by Atom or ...
(B)has more neutrons than protons(C)has more energy than in its ground state(D)has fewerelectrons than in its ground stateThe correct answer is (C) has more energy than in its ground state.e. 相关知识点: 试题来源: 解析 C 激发态是指原子中的电子从低能级跃迁到高能级,导致整个原子具有...