Atomic clocks have long been the gold standard for measuring time and frequency. Among them, optical clocks—using atoms like ...

An atom is so small that a single drop of water contains more than a billion atoms. Although tiny, atoms are mostly empty ...

Number of protons 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 and 34 neutrons.

Having a “magic” number of protons or neutrons means there are enough to fully occupy the nuclear valence shells (outermost orbits around the nucleus) in an atom and give it stability.

the electron from each atom feels an attraction from the proton in the other atom's nucleus. This attraction pulls the atoms together. The electrons end up being shared by the atoms in a region around ...

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.

In 1919 Rutherford had discovered the proton, a positively charged particle within the atom's nucleus. But they and other researchers were finding that the proton did not seem to be the only ...

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 ...

University of Queensland scientists have cracked a long-standing puzzle in nuclear physics, showing that nuclear polarization ...

The nucleus is very small compared to the atom as a whole: as electrons are even smaller, most of an atom is empty space the diameter of a nucleus can be 100,000 times less than the diameter of an ...

Nuclear physics is the study of the protons and neutrons at the centre of an atom and the interactions ... the break-up of a nucleus, and fusion, the merging of nuclei. Strongly correlated systems ...

University of Queensland researchers have made a breakthrough in muonic atom research, clearing the way for new nuclear ...