where exactly neutrino located in an atom? how many neutrinos are there in a hydrogen atom?
There are no neutrinos in atoms. Neutrinos are the product of radioactive decay or nuclear reactions.
Are you talking about nuetrons?
If you were talking about nuetrons, than they are located in the nucleus of an atom. There are 0 in a hydrogen atom, and occasionally 1.
Neutrinos are pesky fellows. They don't like to sit still anywhere, let alone in atom, because they are weakly interacting. They get created in certain reactions and then fly off through almost anything.
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