Neutrinos and antineutrinos are elementary particles with small but unknown mass. High-precision atomic mass measurements at ...

James Cameron's Ghosts of Hiroshima risks turning nuclear tragedy into spectacle in Hollywood’s atomic obsession trend.

Scientists use the periodic table to quickly refer to information about an element, like atomic mass and chemical symbol. The periodic table’s arrangement also allows scientists to discern trends in ...

An error by one of the world's greatest scientists derailed Germany's effort to build an atomic bomb during WWII.

This Q-value calculation programme allows you to calculate reaction Q-values and threshold energies and decay Q values based on the 1995 Update to the Atomic Mass Evaluation and to retrieve other ...

25% of chlorine atoms are 37 Cl and 75% are 35 Cl. The weighted mean mass of chlorine is 35.5. The relative atomic mass of an element is a weighted mean mass of the isotopes of an element compared ...

The Atomic Mass Data Center and its electronic bulletin are tools for the exchange of information on experimental masses, evaluation of masses, extrapolation of masses, and theoretical masses. One of ...

Save guides, add subjects and pick up where you left off with your BBC account. Chlorine naturally exists as two isotopes, \(_{17}^{35}\textrm{Cl}\) (chlorine-35) and \(_{17}^{37}\textrm{Cl} ...