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Atomic number is number of protons in an atom while Atomic Mass is the sum of protons and neutrons in an atom when you subtract you will get the number of neutrons in an atom.

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Q: What do you have when you subtract the atomic no from atomic mass?
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What do you get when you subtract atomic number from atomic mass?

mass #-atomic#=# of neutrons


To find the number of neutrons in an atom you would subtract what?

You would subtract the atomic number from the mass number.


What do you get when you subtract mass number from atomic number?

mass #-atomic#=# of neutrons


How do you know the number of neutrons an atom has?

You subtract the atomic number from the mass number.


In order to calculate the number of neutrons you must subtract the from the?

Number of neutrons = Mass number - atomic number


What do you get if you subtract the atomic number from the mass number for a particular atom?

mass no - atomic no = number of neutrons in an atom.


The mass number minus the atomic number?

If you subtract the mass number by the atomic number you get the number of neutrons.


How do you calculate how many neutrons there are in an atom?

The number of neutrons in an atom is easily calculated by taking the mass number and subtracting the atomic number. Take for example, Uranium: the mass number on the periodic table is 238, while the atomic number is 92. Take the difference of 238 and 92 and that will be equal to the number of neutrons. 238-92=146


Why do you subtract the atomic number from the mass number?

We can find atomic mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


To determine the number of neutrons in an atom, what must be done?

Find out the mass number (A) of the specific isotope of the element. Find out the atomic number (Z) of the element (e.g. from the periodic table). Number of Neutrons, N = A-Z.


When you subtract the atomic number from the atomic mass of any element you get what?

Atomic mass= Atomic no. + no. of neutrons So when the atomic no. is subtracted from the atomic mass, the result would be equal to the number of neutrons present in the nucleus of the atom of the element.


How do you find the number of nutrons in an atom?

Find out how many protons (atomic number) and what the mass number of a particular element is. Then subtract the number of protons from the rounded mass number to get the number of neutrons in a particular atom.