试题来源: 解析 Because()they()contain()equal()numbers()of()protons()(positive)()and()electrons()(negative).()The()protons()are()located()in()an()atom's()nucleus.()The()electrons()are()located()in()the()region()outside()an()atom's()nucleus....
Why are protons and neutrons also known as nucleons? Why are atoms neutral despite having charged subatomic particles? 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...
Two protons are subject to two forces; the nuclear force and the electrostatic force. When they are very close togetherthe nuclear force is dominantand when they are far apart it is the electrostatic force which is dominant. Somewhere two protons experience zero net force because the two opposin...
(1913) Niels Bohr’s quantum model was also based on a planetary model, but here, the electrons revolve in paths with fixed energy called orbits. The spaces between the orbits are forbidden for the electron. This model rules out the spiraling of electrons into ...
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Hakan Unal
I was about to elaborate further, but I'm seeing now that this analogy is gettingout of hand. I'm leaning to the explanation that the composition of fundamental particles as an arrangement of quarks is NOT analogous to the compsition of nuclei as an arrangement of proton...
Double beta decay is the simultaneous conversion of 2 neutrons into 2 protons under emission of 2 electrons and 2 anti neutrinos. The important part is that both conversions happen at the same time and not successively. This type of decay has been postulated, and there are several large scale...
In this experiment, we are generating static electricity by rubbing plastic objects against human hair. The flow of static electricity happens only when there is an equal amount of protons and electrons on the surface or within the two solid materials. When the two solid objects rubbed against...
Quantum mechanics shows us that subatomic particles such as electrons, protons and neutrons can disappear and reappear in a different place, without existing in the intervening space. Such particles can even be in more than one place at a time, if that time is brief enough. Perhaps even strang...