1.What is a proton, neutron, and electron?什么是质子,中子和电子?The proton is a subatomic particle with an electric charge of +1 elementary charge.The neutron is a subatomic particle with no net electric charge and a mass slightly larger than that of a proton.Proton and neutron are usually...
数据从两次测量 (故意的和措施L*a*b*) 进一步被关联了。[translate] aWelecome offer Welecome提议[translate] aelectron, and is called a proton 电子,和称氢核[translate]
14. Between these two tiny particles, the proton and the electron, there is a powerfu I attraction that is always present between negative and positive electric charges. 相关知识点: 试题来源: 解析 【参考答案】质子和电子这两种微粒之间存在着强大的引力,这种引力总出现 在正、 负电荷之间。 【解析...
What is the smallest unit of matter? A. Atom. B. Molecule. C. Electron. D. Proton. 相关知识点: 试题来源: 解析 A。解析:原子是物质的最小单位。选项 B,分子不是最小单位;选项 C,电子是原子的一部分;选项 D,质子也是原子的一部分。
一道英文的物理题When a proton captures an electron,a photon with anenergy of 13.6 eV is emitted.What is the frequency of thisphoton?Does it lie in,above,or below the visible range?答案 当一个质子捕获一个电子时,会发射出一个具有13.6电子伏能量的光子,请问这个光子的频率是多少?它是否在可见光...
What is the smallest unit of matter? A. Atom B. Molecule C. Electron D. Proton 相关知识点: 试题来源: 解析 A。本题考查对物质最小单位的了解,原子是物质的最小单位。B 选项分子不是最小单位;C 选项电子是原子的组成部分;D 选项质子也是原子的组成部分。
WHY THE ELECTRON IS NEGATIVELY CHARGED AND THE PROTON POSITIVELYdoi:10.20319/MIJST.2020.61.2632Gh. SalehReza. AlizadehAsghar. DaliliGlobal Research & Development Services
aThe charge of an electron or of a proton is much too small to be basic quantity of charge of charge for almost all practical applications. The SI unit of charge is the coulomb, with the symbol C. A coulomb of negative charge equals that of 6.242(1018 electrons. The coulomb is a deriv...
alos angeles lies to the south, or more correctly,to the southeast of san francisco 洛杉矶对南部更加正确地在或者,对旧金山东南部[translate] athe positive charge of a proton is similar to the negative charge of an electron 氢核的正电荷于电子的负电荷是相似的[translate]...
What is an electron? Electrons are tiny compared to protons and neutrons, over 1,800 times smaller than either a proton or a neutron. Electrons are about 0.054% as massive as neutrons, according to Jefferson Lab. Joseph John (J.J.) Thomson, a British physicist, discovered the electron in...