And the forces between two neutrons, or between two protons, or between a neutron and a proton, are the same. Both the neutron and proton are very different in mass from the electron and its antiparticle, the positron, the other particles that were known at that time. The proton has an...
百度试题 题目___ the mass of the nucleus is slightly less than the total mass of the protons and neutrons which make up the nucleus.相关知识点: 试题来源: 解析 It was found that 反馈 收藏
Atomic number (the number of protons in the nucleus), not atomic mass number (the number of protons and neutrons), determines chemical behavior. 子句类型: 宾语从句 连接词: THAT 3. 句子成分 主句 We [主语] now [状语] know [谓语] something. [宾语] 分句-1 Atomic number (the number...
A stable subatomic particle that has a positive electric charge and is part of the nucleus of an atom. Its charge is opposite to that of an electron but is equal in magnitude. A proton's mass is 1,836 times that of an electron. See more atatom. ...
结果1 题目 ___the mass of the nucleus is slightly less than the total mass of the protons and neutrons which made up the nucleus.() A. It found that B. It was found that C. It was found for D. It finds that 相关知识点: 试题来源: 解析 B 反馈 收藏 ...
Some of us believe that the large constant is the square root of the number of mass-units (protons and neutrons) in the world (N). I propose to name `Eddington's relation' the relationship between universal constants which springs from this assumption. For it is essentially one and we ...
The meaning of PROTON is an elementary particle that is identical with the nucleus of the hydrogen atom, that along with the neutron is a constituent of all other atomic nuclei, that carries a positive charge numerically equal to the charge of an electro
At the end of the decay series, the stable elements all have a “magic number” of neutrons or protons. The nuclei He-4, O-16, and Pb-208 (82 protons and 126 neutrons) that contain magic numbers of both neutrons and protons are particularly stable. The rel...
Number ofNeutrons=Mass Number- Atomic Number Find the Number of Protons Each element is defined by the number of protons found in each of its atoms. No matter how many electrons or neutrons an atom has, the element is defined by its number of protons. In fact, it's actually possible to...
29.the mass of the nucleus is slightly less than the total mass of the protons and neutronswhich made up the nucleus.A. It found thatB. It was found thatC. It was found forD. It finds that 答案 29.B_ the mass of the nucleus is slightly less than the total mass of the protons ...