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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.

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9y ago

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What is 1 proton 2 neutrons?

<P>proton + neutrons give you a nucleon. the nuceon(or protons +neutron) give you the overall mass of the atom. the mass of electrons is not included, i dont even think that it has mass at all. Hope you're answered?</P>


What number does the number of protons plus the number of neutrons give you?

The mass number (similar to the Atomic Mass and not to be confused with atomic number) When the number of protons and neutrons is added the result will be its atomic mass or mass number.


How do you find the mass of an element?

Mass number..can be calculated..by the sum of No. of protons and the No. of electrons. And this would give you the the mass number of the element.


What information does atomic mass give you?

Atomic mass is the average mass of all isotopes of a given element.


What is the information given by the mass number?

Number or Nuclear Particles


What information is there about Florence Nightingale?

There is a mass of information available and the links below should give you all the information you need.


What does the atomic mass give you the number of?

It gives the number of nucleons = protons + neutrons.


What is atomic mass number minus protons?

atomic mass number - protons = number or neutrons


What is future the rapper number?

WikiAnswers does not give out personal information. A number is personal information.


What information is listed in an element's square in the periodic table number of electrons or number of neutrons?

the atomic mass and atomic number (number of protons) the number of neutrons is the mass minus the number


The protons and neutrons in an atom add up to give the atom's?

Mass number/Atomic Mass


What information could you use to determine the atomic number of an unknown element that has the mass number of 22?

To determine the atomic number of an unknown element with a mass number of 22, you would need to know the number of protons in the nucleus of the element. Since the mass number is the sum of protons and neutrons, subtracting the number of neutrons from the mass number would give you the atomic number. This is because the atomic number represents the number of protons in an element's nucleus.