It is a very hard question to answer because the visualisation of an electron is very counter-intuitive. When we imagine an electron, we think of something like a very little steel ball. It does not look like it. Actually we can give a size to a proton because it is made of other particles (Quarks) therefore we have something to compare it to. however, the electron, and the quarks at the same time, are elementary particles and up to today, we have no means to compare it to anything.
An electron has no size at all, it is a what is known as a "point particle", therefore there are no particles that are smaller in size. However, there are particles that have a smaller mass than an electron. For example, a neutrino has a mas that is approximately one millionth the mass of an electron.
Size becomes irrelevant at sub-atomic levels. It's better to think of particles in terms of their rest mass or charge/ mass ratio.
You mean; " which sub atomic particle is almost 2000 times smaller than a proton? "An electron=========
An Na atom is larger as it has one more shell carrying an extra electron that it has not donated yet . In the case of Na (ion) it has lost or donated an electron which means it no longer has the shell that carried the last electron.
its smaller because the ion in negative and the atom is positive so the ion has lost 1 more electron
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the positive ionic radius is smaller than the neutral atomic radius
an electron is much much smaller than an atom. An electron is a portion of the nucleus in an atom.
Smaller than a neutron
yes much smaller
An electron is 1/1,836 of a proton.
Electrons are smallest
Electrons are smallest
The electron has not other components, it is a fundamental particles. But neutrinos are smaller than the electron.
Because the charge/mass ratio of a nucleus is smaller than the charge/mass ratio of an electron
Electrons for one, and protons and neutrons are composed of quarks
An electron has a much smaller mass than any atom.
Yes
To put it in very simple terms, because the wavelength of an electron is much smaller than the wavelength of visible light.