By relating carbon 12 isotope
relative Atomic Mass
relative atomic mass
the relative atomic mass for the element potassium is 39.0983
To find the average atomic mass of an element, you need to know the isotopic masses of each of its isotopes and their relative abundances. Multiply the isotopic mass of each isotope by its relative abundance, then sum these values to calculate the average atomic mass.
Relative atomic mass, also called atomic weight, is listed on the periodic table for each element. There is no element listed on the periodic table with a relative atomic mass of 15.5.
The relative atomic mass of magnesium is approximately 24.305.
Approximately 4.01
The chemical element with a relative atomic mass of 173 is Ytterbium (Yb).
The atomic mass of xenon is about 131.29 atomic mass units.
The Relative Atomic Mass of Sodium is 23.
Atomic mass is so small you can't actually measure it. So, just like carbon dating, you have to use a relative mass.
The relative atomic mass of copper is approximately 63.55. To calculate the relative formula mass of copper, you sum the atomic masses of its atoms, which in this case would just be the atomic mass of copper. Therefore, the relative formula mass of copper would be 63.55.