A neutron is a type of hadron. It consists of one up quark and two down quarks. Although the mass of a proton and a neutron are comparable, especially compared with the much lighter electron, a neutron is slightly more massive than a proton. A neutron has a mass of 1.67492729 x 10-27...
if a proton has a relative mass of 1 unit and a relative charge of +1 unit .what is the接上relative mass and charge of :1.a neutron2.an electron? 答案 质子,中子,电子...有什么关系?化学知识忘没了.搞清它们关系了应该就能选出来了.相关推荐 1if a proton has a relative mass of 1 unit...
An important step was recently reported by Paul Demorest of the National Radio Astronomy Observatory and his colleagues, when they were able to demonstrate that the neutron star known as pulsar J1614-2230 has a mass of 1.97±0.04 M_○ (see the October 28 issue of Nature).Leslie J. Sage...
massASSUMING that pulsars are spinning, contracted stellar objects of enormous mass, we can divide the interior of a pulsar into three distinct density regions. Region 1 has a density below 5 × 10 11 g cm 3 , region 2 has a density from 5 × 10 11 to 10 15 g cm 3 and region 3...
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The tests selected for discussion are the finiteness of the neutrino mass in the electron volt region, the decay of protons into antileptons in the range of 1031± 1yr, and the detectability of neutron oscillations at all. The PUT group can also be tested by establishing the existence of ...
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The approximate mass of a neutron in atomic mass units is one amu. This is because atomic mass units are based on 1/12 of the mass of a carbon atom...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can an...
A proton has a slightly smaller mass than a neutron. Compared to the neutron, would a proton of the same wavelength have () ?()A.more kinetic energyB.the same kinetic energyC.less kinetic energy的答案是什么.用刷刷题APP,拍照搜索答疑.刷刷题(shuashuat
The use of a variational method to determine an upper limit to the mass of the equilibrium configurations for a neutron star is discussed. For densities below the limit above which the interactions between neutrons change from attraction to repulsion, the Harrison-Wheeler equation of state is appli...