Atomic weight minus number of protons.
The atomic weight minus the number of protons = the atom's neutrons.
The number of protons and neutrons in the nucleus
Protons and neutrons= mass
protons and neutrons in an atom. It is the sum of protons and neutrons in the nucleus of an atom.
A typical atom of iodine contains 74 neutrons.
The mass number is used to calculate the number of nucleons in an atom. It represents the sum of protons and neutrons in the nucleus of an atom. By knowing the mass number, one can determine the approximate atomic mass of the atom.
45 neutrons
The mass number is the total number of protons and neutrons in an atom's nucleus. To calculate the mass number, simply add the number of protons and neutrons together in the nucleus of an atom.
A stable atom of Zinc (Zn) typically has 34 neutrons.
To calculate the atomic mass of an atom, you would add the number of protons and neutrons together. Protons and neutrons each have a mass of approximately 1 atomic mass unit (amu). The sum of the protons and neutrons will give you the atomic mass of the atom in atomic mass units.
52 neutrons.
A typical atom of iodine contains 74 neutrons.