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Number of Neutrons Calculator

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✖Mass Number is the sum of protons and neutrons in an atom of an element.ⓘ Mass Number [A]			+10% -10%
✖Atomic Number is the number of protons present inside the nucleus of an atom of an element.ⓘ Atomic Number [Z]			+10% -10%

✖The number of neutrons is the total number of neutral subatomic particles found in the nucleus.ⓘ Number of Neutrons [n⁰]

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Formula

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Number of Neutrons

Formula

n 0 = A - Z

Example

20 = 37 - 17

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Number of Neutrons Solution

STEP 0: Pre-Calculation Summary

Formula Used

Number of Neutrons = Mass Number-Atomic Number
n⁰ = A-Z
This formula uses 3 Variables

Variables Used

Number of Neutrons - The number of neutrons is the total number of neutral subatomic particles found in the nucleus.
Mass Number - Mass Number is the sum of protons and neutrons in an atom of an element.
Atomic Number - Atomic Number is the number of protons present inside the nucleus of an atom of an element.

STEP 1: Convert Input(s) to Base Unit

Mass Number: 37 --> No Conversion Required
Atomic Number: 17 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

n⁰ = A-Z --> 37-17

Evaluating ... ...

n⁰ = 20

STEP 3: Convert Result to Output's Unit

20 --> No Conversion Required

FINAL ANSWER

20 <-- Number of Neutrons

(Calculation completed in 00.004 seconds)

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Created by Akshada Kulkarni

National Institute of Information Technology (NIIT), Neemrana

Akshada Kulkarni has created this Calculator and 500+ more calculators!

Verified by Suman Ray Pramanik

Indian Institute of Technology (IIT), Kanpur

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< Structure of Atom Calculators

Mass Number

Go Mass Number = Number of Protons+Number of Neutrons

Electric Charge

Go Electric Charge = Number of Electron*[Charge-e]

Number of Neutrons

Go Number of Neutrons = Mass Number-Atomic Number

Wave Number of Electromagnetic Wave

Go Wave Number = 1/Wavelength of Light Wave

Number of Neutrons Formula

Number of Neutrons = Mass Number-Atomic Number
n⁰ = A-Z

How do we get the number of neutrons?

The difference between the mass number(A) and the atomic number(Z) gives the number of neutrons (n) in a given nucleus: n = A − Z. In the case of a neutral atom, a neutral atom contains an equal number of electrons and protons The number of electrons in a neutral atom is equal to the number of protons.

How to Calculate Number of Neutrons?

Number of Neutrons calculator uses Number of Neutrons = Mass Number-Atomic Number to calculate the Number of Neutrons, The number of Neutrons is equal to the difference between the mass number of the atom (A) and the atomic number (Z). Number of Neutrons is denoted by n⁰ symbol.

How to calculate Number of Neutrons using this online calculator? To use this online calculator for Number of Neutrons, enter Mass Number (A) & Atomic Number (Z) and hit the calculate button. Here is how the Number of Neutrons calculation can be explained with given input values -> 20 = 37-17.

FAQ

What is Number of Neutrons?

The number of Neutrons is equal to the difference between the mass number of the atom (A) and the atomic number (Z) and is represented as n⁰ = A-Z or Number of Neutrons = Mass Number-Atomic Number. Mass Number is the sum of protons and neutrons in an atom of an element & Atomic Number is the number of protons present inside the nucleus of an atom of an element.

How to calculate Number of Neutrons?

The number of Neutrons is equal to the difference between the mass number of the atom (A) and the atomic number (Z) is calculated using Number of Neutrons = Mass Number-Atomic Number. To calculate Number of Neutrons, you need Mass Number (A) & Atomic Number (Z). With our tool, you need to enter the respective value for Mass Number & Atomic Number and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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