【题目】翻译一下可以吗1.An atom is made up of positive charges (protons),neutral charges (neutrons)and negative charges (electrons).T he protons and neutrons are found within the nucleus ofan atom,while we learnt in P08 Curious glowthat the electrons are found in different energy levels ...
There are just as many protons in the nucleus as electrons__ around it. A.revolvingB.spinningC.rotatingD.spiraling相关知识点: 试题来源: 解析 A 题意是:在原子核中的质子数与___ 它们的电子数相同。 [A] revolving“旋转,绕转”,指某一物体沿一定的轨道围绕着另一物体旋转,符合题意。 [B] spinni...
1.One of the three basic particles in the atom, found in the nucleus with the neutron. It has positive charge. 2.A positively charged subatomic particle. Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited ...
The number of protons in the nucleus of an atom determines what element it is, sothe number of protons is fixed. But, the number of neutrons can vary. Nuclei with the same number of protons but different numbers of neutrons are called isotopes. ... Chemical properties in general do not ...
百度试题 结果1 题目Atoms are made from a nucleus of protons and neutrons and a cloud of electrons. A. 正确 B. 错误 相关知识点: 试题来源: 解析 正确 反馈 收藏
A) For subatomic particles, why is it that protons and electrons are attracted to each other but are not together in the nucleus? B) Also why are protons and neutrons found in the nucleus if they are If atoms contain charged particles, why do they not have a charge? a. They have the...
So iron nuclei of neutrons and protons than neutrons and protons in the nucleus of all other elements close to the more relevant, in which most of the strong force between protons and, which are arranged in the same direction, it also has the largest magnetic field. ...
01. THE ELEMENTS AND THE PERIODIC TABLEThe number of protons in the nucleus of an atom is referred to as the atomic number, or proton number, Z. The number of electrons in an electrically neutral atom is also equal to the atomic number, Z. The total mass of an atom is determined ...
Protons are subatomic particles that, along with neutrons, comprise the nucleus or central portion of an atom. The rest of the atom consists of electrons that orbit the nucleus, much as Earth orbits the sun. Protons can also exist outside an atom, in the atmosphere or in space. ...
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