"electron" in inglés with examples - Collocation dictionary inglés
- A helium nucleus was presumed to be composed of four protons plus two "nuclear electrons" (electrons bound inside the nucleus) to cancel two of the charges.
- In this model, incident electromagnetic waves forced an electron bound to an atom to oscillate.
- It is a property of a collective state in which electrons bind magnetic flux lines to make new quasiparticles, and excitations have a fractional elementary charge and possibly also fractional statistics.
- Usually this electron is in the valence band, and is tightly bound in covalent bonds between neighboring atoms, and hence unable to move far.
- In the same manner, a change of mass occurs as an electron binds to a proton.
- These reach right down into the energy regions where one would expect electrons to stay bound to individual atoms.
- Eventually, atoms begin to form as free electrons bind to nuclei.
- It's the same thing that happens in an atom (otherwise every ground state atom would be a bunch of 1s electrons bound to a nucleus).
- It falls off relatively slowly with distance (like 1 over the distance squared) and so holds the electrons bound to the nucleus.
- The electrically neutral atom contains a single positively charged proton and a single negatively charged electron bound to the nucleus by the Coulomb force.
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