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What determines atomic mass?

Updated: 12/23/2022
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16y ago

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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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8y ago
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11y ago

The number of protons, neutrons and electrons.

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16y ago

The number of protons and neutrons.

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Q: What determines atomic mass?
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Related questions

Which of the following determines the identity of an element atomic number mass number atomic mass or overall change?

atomic number


What does the neutron determine?

a neutron determines the atomic mass


What determines an elements place in the table?

atomic mass


What two factors determines the atomic mass of a element?

The atomic mass is determined by the neutrons and the protons, found in the elements' nucleus.


What determines the atomicity of the elements?

The Atomic Mass number tells the atomic mass of an element. The mass is calculated as the mass of all the protons and neutrons in the center of an atom.


In an atom what determines the mass number?

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


Is it true that the element's mass number determines how the compound will form?

No. The element's atomic number determines how it forms compounds.


What does the number of neutrons determine?

they determine the atomic mass of the atom


What is the partice that determines the mass of an atom?

The atomic mass is mainly determined by the total number of protons AND neutrons.


What plus what determines the atomic mass?

protons plus neutrons


What is a mass number atomic mass number?

The atomic number is the number of protons in an atom. This number is fixed and determines what element that atom is. The Atomic Mass is the mass of an atom and is roughly equivalent to the number of protons plus the average number of neutrons that atoms of that particular element.


What is an atomic number and a mass number?

The atomic number is the number of protons in an atom. This number is fixed and determines what element that atom is. The atomic mass is the mass of an atom and is roughly equivalent to the number of protons plus the average number of neutrons that atoms of that particular element.