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Arjun Bednar

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3y ago

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Related Questions

What is the sum of protons neutrons in an atom?

Mass number = Protons+Neutrons


What makes up nearly all of the atom's mass?

The sum of all Protons and Neutrons.


What areParticles that makes protons and neutrons?

The sum of the number of protons and neutrons in an atom


An atoms what number is the sum of protons and neutrons?

The sum of protons and neutrons in an atom is called mass number.


The mass number is used to calculate the number of?

protons and neutrons in an atom. It is the sum of protons and neutrons in the nucleus of an atom.


In periodic table of elements it is the sum of the number of protons and neutrons of an atom.?

The sum of protons and neutrons is the atomic mass.


The mass number of an atom of calcium with 20 protons and 20 neutrons is?

The mass number of an atom is the sum of the protons and neutrons in its nucleus. Therefore, for an atom of calcium with 20 protons and 20 neutrons, the mass number would be 40.


What is the atomic mass of a atom?

The atomic mass of an atom is the total mass of protons, neutrons, and electrons in the atom, measured in atomic mass units (amu). It is approximately equal to the sum of the number of protons and neutrons in the atom's nucleus.


The sum of the protons and neutrons in an atom is its?

atomic number


The sum of the numberof protons and nuetrons in the nucleus of an atom?

The sum of the number of the protons and neutrons in the nucleus of an atom is called as atomic mass.


The mass number of an atom indicates the number of what?

The mass number is the sum of protons + neutrons.


What is the mass of an atom that has 10 protons 13 neutrons 10 electrons?

The mass number of this atom is 23, the sum of the number of protons and neutrons.