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Atomic Structure

Across
a subatomic particle of about the same mass as a proton but without an electric charge, present in all atomic nuclei except those of ordinary hydrogen.
English physicist and Nobel Laureate in Physics, credited with the discovery and identification of the electron, the first subatomic particle to be discovered.
British physicist who discovered that the atom that is composed of Nucleus and has a proton
he small, dense region consisting of protons and neutrons at the center of an atom, discovered in 1911
English physicist and Nobel Laureate in Physics, credited with the discovery and identification of the electron, the first subatomic particle to be discovered.
Down
is the smallest constituent unit of ordinary matter that has the properties of a chemical element.
is a subatomic particle, symbol. e − or. β − , whose electric charge is negative one elementary charge.
is a subatomic particle, symbol p or p + , with a positive electric charge of +1e elementary charge and a mass slightly less than that of a neutron.