Substract the atomic number (= number of protons) of Au (element) from the average Atomic Mass (= total number of protons and neutrons) of Au (mixture of isotopes, as been found in nature).
This will give you a good approximation of what you asked.
So:
-79 (p) + 197,0 (n + p) = 108 neutrons
Gold's atomic number is 79 and its atomic mass is 197 (on avarage) 197-79=118 neutrons.
The number of neutrons in one atom can vary depending on the element. Neutrons are one of the three main subatomic particles found in an atom, along with protons and electrons. The number of neutrons in an atom is calculated by subtracting the number of protons (atomic number) from the atomic mass of the atom.
The number of neutrons in an atom can be found by subtracting the number of protons (which is the atomic number) from the mass number. The mass number is the sum of protons and neutrons in the nucleus of an atom.
The mass number of an atom is found by adding the number of protons and neutrons in its nucleus. It is an integer value that represents the total number of nucleons in the atom.
the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.
Atomic weight in atomic mass units = the number of protons + the number of neutrons. The number of protons is your atomic number. Subtract that from the atomic weight for the number of neutrons.
To find the number of nucleons in an atom, you add the number of protons and the number of neutrons together. Nucleons are the collective term for protons and neutrons found in the nucleus of an atom.
To find the number of neutrons in an atom, subtract the atomic number (number of protons) from the atomic mass number. Neutrons are uncharged particles found in the nucleus of an atom and their number can vary for a given element based on isotopes.
Neutrons = 10. Protons = 10. And electrons = 10.
The formula for a neutron is n. Neutrons are subatomic particles with no electrical charge and a mass slightly greater than that of a proton. They are found in the nucleus of an atom.
Adding the number of protons and neutrons in the nucleus of an atom gives the mass number of the isotope.
The mass number is the average atomic mass of all the isotopes that are found in nature.