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Atomic mass is the number of protons and neutrons in an atom.

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13y ago
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6mo ago

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.

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13y ago

Atomic mass NUMBER = number of protons + number of neutrons.

This is not to be confused with atomic mass which is the total mass of a motionless atom.

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12y ago

The sum of protons + neutrons.

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Q: What number is the atomic mass equal to?
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Related questions

What is the atomic mass the same as?

The Atomic Mass is equal to the number of protons and electrons that an element has.


What is atomic mass of an atom equal to?

The atomic mass of an element is equal to the number of protons.


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.


Is it true that The atomic mass is equal to the atomic number?

No, the atomic mass is not equal to the atomic number. The atomic number represents the number of protons in an atom's nucleus, while the atomic mass is the sum of protons and neutrons in the nucleus. The atomic mass can differ from the atomic number, especially due to the presence of neutrons.


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

false


What best describes the number of neutrons in an atom?

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


What does the formula atomic mass minus the atomic number equal?

By subtracting the mass number and the atomic number, the number of neutrons can be calculated.


Why doest the atomic number equal the atomic mass?

atomic mass is contributed mainly by protons and neutrons. it is the mass of an atom. atomic number on the other hand is contributed by protons and is equal to the number of protons in the atom


What do you do with an atomic number and an atomic mass?

The atomic number is the number of a chemical element in the periodic table of Mendeleev; the atomic number is equal to the number of protons and electrons. The atomic mass is the mass of an atom expressed in relative atomic mass units.


What do atomic number and atomic mass mean?

The atomic number is equal to either the number of electrons or the protons of a particular atom. The atomic mass in a.m.u. is equal to the sum of protons and neutrons in an atom.


The atomic mass of an atom is equal to the sum of numbers of what?

protons + electrons= atomic mass NUMBER, not the atomic mass.


Is the atomic number of an atom equal to its number of protons and the atomic mass is equal to its number of neutron Protons?

yes