T he number of electrons inan electrically neutral atom is also equal to the atomic number, Z. T he total mass of an atom is determined very nearly by the total number of protons and neutrons in its nucleus.T his total is called the mass number, A. T he number of neutrons in an ...
-句子1:The number of protons in an atom determines its atomic number.(原子中的质子数决定了它的原子序数。) -句子2:Protons and neutrons are located in the nucleus of an atom.(质子和中子位于原子的原子核中。) -句子3:Scientists are studying the behavior of protons under extreme conditions.(科学...
Describe the structure of an atom.An atom consists of a nucleus, which contains protons and neutrons, surrounded by electrons. Protons have a positive charge, neutrons have no charge, and electrons have a negative charge. The number of protons determines
百度试题 结果1 题目 The nucleus of an atom is composed of swiftly moving protons and neutrons that are___together by very strong forces. 相关知识点: 试题来源: 解析 held 反馈 收藏
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
题目 The nucleus of the atom is composed of swiftly moving protons and neutrons that are___together by very strong forces. (A) mixed (B) propelled推进(C) pounded打击(D)bound 相关知识点: 试题来源: 解析 held 反馈 收藏
百度试题 题目The nucleus of the atom is composed of swiftly moving protons and neutrons that are held together by very strong forces. A.mixedB.propelledC.poundedD.bound 相关知识点: 试题来源: 解析 D 反馈 收藏
This is necessary to balance the charge of an atom, and to increase its stability... Learn more about this topic: Atom | Definition, Composition & Examples from Chapter 2/ Lesson 1 266K Learn the definition of an atom, what atoms contain, the nucleus in the middle of an atom, what at...
The nucleus of an atom as composed of swiftly moving protons and neutrons that are ___ together by very strong forces. A. 国极型形况需油住车已国极型形况需油住车已combined国极型形况需油住车已国极型形况需油住车已 B. 种说种说mixed种说种说 C. 如等王达少例节每但华发如等王达少例节...
ayou are happy in the front 您是愉快的在前面 [translate] au like romance? u喜欢言情? [translate] aToday’s model of the atom has a concentrated nucleus containing the protons and neutrons surrounded by a cloud representing where the electrons are likely present. 原子的今天模型有一个被集中的...