The fundamental particle(s) not present in the nucleus of hydrogen atom is :

electron

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proton

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neutron

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all of the above

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Solution

The correct option is B neutron
There are three fundamental particles which are protons, electrons and neutrons. Among them, the fundamental particle that is not present in a normal hydrogen atom is neutron.
It can also be explained as, in hydrogen, atomic number is equal to 1 and mass number = 1,
that means, hydrogen have only 1 proton only.

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Similar questions

____ is the fundamental particle that is not present in the nucleus of a hydrogen atom.

___ is the fundamental particle that is not present in the nucleus of a Hydrogen atom.

(a) proton

(b) neutron

(d) electron

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