The relative Atomic Mass is the mean mass of the isotopes of an element. Since, by definition, these have different numbers of neutrons, their masses are different. This results in fractional values.
It's an average number allowing for the relative abundances of different isotopes.
relative Atomic Mass
relative atomic mass
the relative atomic mass for the element potassium is 39.0983
It's an average number allowing for the relative abundances of different isotopes.
It's an average number allowing for the relative abundances of different isotopes.
The element with a relative atomic mass of 15.5 is phosphorus.
The relative atomic mass of helium is 4.0026.
The relative atomic mass of magnesium is approximately 24.305.
The atomic mass of xenon is about 131.29 atomic mass units.
The chemical element with a relative atomic mass of 173 is Ytterbium (Yb).
The Relative Atomic Mass of Sodium is 23.