Can you answer this question about electrons?
78820
people have this picture in their head of what an atomic electron is like - it's a little ball and it whizzes around the nucleus really fast.  but it's not really like that.  \n\nyou have to divorce from your mind the notion that the electron has a single, fixed, localized position.  instead the electron is "spread out" over space, like a big smear in three dimensions.  a lot of chemistry teachers like to fudge this bit by saying that the electron spends "more time" in areas with higher electron-cloud density, but that's not really correct.  if it were, i could see where your confusion might come from - if it was spending some time on one side of the nucleus, it must spend some time getting back to the other side.\n\nthe truth is, in quantum mechanics an electron is "delocalized".  this means that it has no real, fixed position - instead it is spread out over a region or regions of space, and in fact those regions of space need not be connected.  the electron is quite literally in both places at once, not in one place or the other.\n\nthis is a rather small effect in atomic electrons, but if you consider a conducting metal like copper, the "free electrons" that carry electricity are extremely delocalized.  every single electron is basically spread out over the entire piece of copper.  it's kind of hard to picture, but that's why quantum mechanics is hard.\n\nhope this helps.  feel free to email if you'd like to discussit more.
544865
depends on how much an electron has been drinking
945388
density,volume,weight,number of electron and proton.
965795
There are more protons than electrons. Protons are plus. Electrons are minus. In hydrogen ion, there is one proton and zero electrons!
692204
Just a minor nitpick on what others have said.  Electricity can also be the motion of holes, which can be thought of as the absense of an electron.  But generally it is the motion of electrons.
421869
Protons, Neutrons, and electrons
446643
The movement of an electron from one place to another.
702712
An atom always wants to have 8 electrons in its outer shell (except for Helium and Hydrogen which want 2). An atom bonds with another atom so it can have a full shell. For example Oxygen has 6 electrons in its outer shell and Hydrogen has 1 , so if you put two Hydrogens and one Oygen together, the Oxygen will be able to have 8 part of the time and each Hydrogen will be able to have 2 part of the time.
974033
Atomic number always says how many protons.  Every element will always be defined by its unique number of protons.  Atomic number 5 will have 5 protons.  Electrons don't really weigh anything, so they don't count towards mass number.  So what's left? Neutrons.  So 10mass units-5for protons=5 neutrons (A)\n\nThe number of electrons in a neutral atom must cancel the charge of the protons.  Each proton is +1  and each electron is -1.  If I have 5 protons in the nucleus, I have +5.  A neutral atom should have 0 charge.  So 0=+5-(# of electrons) and you get 5 electrons (A)
379019
The quantum number description of an electron *is* the electron, in a sense, so two electrons with the same quantum numbers would be the same electron.
1112040
it is possible that an atom can support life like the earth does,  but if it does, then it would be way different and ofcource smaller. the things that make up the earth perfect to support life may be different in an electron. but it is something to think about. interesting question
515612
Atoms do not have a charge.\nIons have a charge (either plus or minus)
589038
The answer is c) +2. because if the atom has 12 protons, it is going to have 12 electrons to make it neutral. by taking away 2 electrons, it is giving the atom a positive charge, with 12 protons (positive charge) being more than 10 electrons (negative charge) giving an overall charge of +2.\n* protons - electrons = charge. =    +12-10=+2     =   c
1111040
According to quantum mechanics, electrons can be represented by wavefunctions, from which the electron density can be determined. Each electron has its own wavefunction, which is called an orbital. The exact momentum and position of an electron cannot be simultaneously determined. This is a limitation described by the Heisenberg uncertainty principle, which, in this instance, simply states that the more accurately we know a particle's position, the less accurately we can know its momentum, and vice versa.  So, exact postion of an electron impossible to determine.  Thus electron can be two places at ones.
642453
proton and neutron, the electrons are on the outer shell
443303
It only has 7 valence electrons :)\n\nRival
486341
Electrons in the outermost shell are called valence electrons.\n·  It is the valence electrons determine an atom’s chemical properties.\n·  Electrons in the inner shells are inner electrons or core electrons.\n\nThe total number of electrons is revealed by the atomic number:\nNa - At#:11 valency:1 valency electrons:1 core:10\nSe - At#:34 valency:2 valency electrons:6 core:28\nPb - At#:82 valency:4 valency electrons:4 core:78