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The atomic number is the whole # on the Periodic Table or the # of protons in an atom. The Atomic Mass is the # that is not the whole # on the periodic table, or you can multiply the mass of the isotope by its abundance and add the answers together.

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How do you calculate the number of neutrons an element has in its nucleus?

You need to find the atomic number, and the atomic mass. The atomic number i the number of PROTONS in the nucleus, the atomic mass, or mass number, is the number of PROTONS and NEUTRONS in the nucleus. To find the number of neutrons you subtract the atomic number from the mass number.


What is the difference between the atomic number mass number and atomic mass?

We can find Atomic Mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


What is the relationship btw atomic mass and atomic mass number?

We can find atomic mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


Why is the atomic mass number not a whole number?

We can find Atomic Mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


Why do you subtract the atomic number from the mass number?

We can find atomic mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


What is the atomic mass of an element the number?

We can find Atomic Mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


How do you find electrons?

you can find electrons by subtract the atomic number and atomic mass.


What is the difference between the atomic number and average atomic mass?

We can find Atomic Mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


Do you need atomic number to find atomic mass?

No, you do not need the atomic number to find the atomic mass of an element. The atomic mass is the weighted average of the masses of the isotopes of an element, whereas the atomic number is the number of protons in the nucleus.


What is the scientific word called atomic mass number?

We can find atomic mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


What does mass do?

The Atomic Mass is equal to the number of protons plus neutrons. So if you know the atomic number then you can find out the number of neutrons Atomic # is the amount of Protons or Electrons Atomic Mass- Number of protons plus neutrons Atomic Mass-Atomic Number = Amount of neutrons


What can you find with the atomic number and mass number?

atomic number is the number of protons in the atom. mass number is protons and neutrons combined.