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 for the element potassium is 39.0983
Each element on the periodic table has two numbers: the atomic number and the relative atomic mass. The atomic number is the number of protons in the nucleus, and the relative atomic mass is the total number of protons and neutrons (so the difference between them is the number of neutrons). The relative atomic mass is always the higher of the two.
Sodium is a meta element. Atomic mass of it is 23.
Silver is a meta element. Atomic mass of it is 108.
The relative atomic mass is 83.798. So where did you get that it is not determined.
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.
relative atomic mass
relative Atomic Mass
It is called the Relative Atomic Mass.
the relative atomic mass for the element potassium is 39.0983
All elements have an atomic mass relative to 12C having a mass of 12.
All atomic masses are determined by comparing them to the mass of an atom of carbon12. One atomic mass unit equals one twelfth the mass of an atom of carbon12. That's why its called relativeatomic mass.
the relative atomic masses of compounds changed into g grams called the gram atomic mass of that element.for example mass of hydrogen 1.008 gram etc
The Relative Atomic Mass of Sodium is 23.
Bexause its similar with the atomic mass
They are called relative masses because all of the masses of the elements are measured relative to the mass of an isotope of carbon called carbon-12. Carbon-12 has been assigned a mass of exactly 12 atomic mass units. One atomic mass unit has an actual value of 1.660538782(83)×10^−27 kg.
The relative atomic mass is 131.293