Respuesta :
Electrons are distributed in shells revolving around the nucleus and occupy almost all the volume of the atom.
In the nucleus of an atom, proton and neutron are present whereas electrons are present in shells revolving around the nucleus. Most of the volume of an atom has empty spaces in which shells are present in which electrons are moving.
The number of protons and electrons are the same in an atom but the number of neutrons are different so we can conclude that electrons are distributed in shells that are present around the nucleus.
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As a consequence of the discovery of the nucleus, the model of the atom that is true is A. electrons are distributed around the nucleus and occupy almost all the volume of the atom.
It should be noted that neutron and proton can be found in the nucleus of an atom. Also, there are electrons that are present in the shells that revolve around the nucleus.
In the atom, the number of electrons and protons are the same but there are different neutrons. Lastly, most of the volume of the atom has empty spaces.
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