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Typically to find the number of neutrons, you first round the Atomic Mass to the nearest whole number. After that to you subtract the number of protons (which is the same as the atomic number) from the newly rounded atomic mass and the resulting number is the number of neutrons. lets use Carbon for example:

Atomic mass: 12.01

Atomic mass rounded: 12.00

Number of Protons (same as atomic number): 6

(Rounded atomic mass - number of protons)=6

So Carbon has 6 neutrons.

Hope that is easy enough to understand.

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14y ago
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5mo ago

The number of neutrons in an atom is equal to the mass number of the atom minus the atomic number. This relationship is because the mass number represents the total number of protons and neutrons in an atom.

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13y ago

It is equal to the difference of the Atomic and and the atomic number.

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11y ago

It is equal to the number of protons in that nucleus.

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Related questions

Why must the number of protons and neutrons be equal?

The number of protons and neutrons is not equal. The equality is not a rule.


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

false


Does the number of neutrons equal the mass number?

no, the mass number is number of protons in an atom, plus the number of neutrons.


Do neutrons always equal the number of elecrons?

Electrons are equal to the number of protons and the atomic number. To find the number of neutrons you must subtract the atomic number from the mass number.


Does the number of neutrons always equal the number of protons?

No


An equal number of protons and neutrons typically results in an atom that is?

Stable. Having an equal number of protons and neutrons helps maintain a balance in the atomic nucleus, reducing the likelihood of radioactive decay or other instability.


Do electrons equal the sum of the number of neutrons and protons in an isotope?

No. The number of neutrons has no affect on the number of protons and electrons.


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

The atomic mass of an atom is equal to the total number of protons and neutrons in its nucleus.


The mass number of an elements is equal to?

The mass number of an element is equal to the total number of protons and neutrons in its nucleus. It is rounded to the nearest whole number on the periodic table.


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

mass number


The number of neutrons contained in oxygen-17 which has an atomic number of 8 is?

It has 10 neutrons since the atomic number is equal to the number of protons and the isotope number is the number of neutrons and protons together.


What best describes the number of neutrons in an atom?

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