They all contain six protons, but six ... Z = 30 Number of protons + neutrons A = 64 Number of neutrons N = 64 - 30 = 34 Since this is a nucleus there are no electrons There are 30 protons ...

Physicists know from previous experiments that what happens at the nuclear scale to protons and neutrons also affects their ...

The mass of electrons is very small compared to protons and neutrons. Since a nucleus contains protons and neutrons, most of the mass of an atom is concentrated in its nucleus. Protons and ...

Researchers from Kyushu University, Japan have revealed how a special type of force within an atom's nucleus, known as the ...

This long-standing deadlock has only now been broken ... quarks and gluons are distributed inside protons and neutrons and throughout the atomic nucleus. With PDF functions for the atomic nucleus ...

The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and one electron in the region outside the nucleus. The electron and proton are attracted to each other.

The nucleus of each atom contains protons and neutrons. While the number of protons defines the element (e.g., hydrogen, carbon, etc.) and the sum of the protons and neutrons gives the atomic mass, ...

An atom becomes radioactive when its nucleus contains too many or too few neutrons. Try to keep the same number of neutrons and protons as you build your atom. If the imbalance is too great ...

Occasionally, and purely by chance, some of these neutrons collide with the nuclei of some of the nitrogen atoms. The nucleus of each nitrogen atom contains seven protons and seven neutrons.

This article was originally published with the title “ What Holds the Nucleus Together? ” in Scientific American Magazine Vol. 189 No. 3 (September 1953), p. 58 doi:10.1038 ...