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the mass number is number of protons in an atom, plus the number of neutrons.

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Are the number of neutrons equal to the atomic number minus the atomic mass?

false


Atomic mass is equal to what?

atomic mass unit is equal to one-twelfth of the mass of a carbon-12 atomic mass is equal to one-twelfth of the mass of a carbon-12Atomic Mass is equal to the number of protons and neutrons.


What equals the number of neutrons plus the number of protons in an atom?

The sum of the number of protons and neutrons in an atom is known as the atomic mass. It is equivalent to the mass number of the atom, which represents the total number of protons and neutrons in the nucleus.


What do you add to protons to equal mass number?

The mass number = protons + neutrons


What is the sum of protons and neutrons in an atom?

Mass number!:)


The mass number of an elements is equal to?

the total number of protons and neutrons in the nucleus.


What equal to the number of protons and neutrons in an atom?

mass number


What number is the atomic mass equal to?

The atomic mass of an element is equal to the sum of the number of protons and neutrons in its nucleus. It is not directly related to the atomic number, which represents the number of protons in an atom.


What is equal to the total number of protons and neutrons?

If you add the number of protons to the number of neutrons in an atom, you have calculated that atom's atomic mass.


What best describes the number of neutrons in an atom?

It is equal to the difference between atomic number and Atomic Mass number. A+


An atoms mass number equals the combination of what two things?

The mass number of an element is equal to the sum of the elements 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