【 】How Many Neutrons Does Manganese(Mn) Have?||Number of Neutrons in Manganese (Mn)

Manganese has 39 neutrons for this isotope.

How Many Neutrons Does Manganese(Mn) Have?||Number of Neutrons in Manganese (Mn)


Explanation:

Hello, chemistry lover! today we are going to help you to find out  how many neutrons manganese  have in just 3 steps.








To find out the number of neutrons  for manganese,we have to have knowledge about atomic number,atomic mass,mass number of manganese.Click picture to see clearly.



                    Step-1:



●The atomic number of 
chromium is the number of protons in manganese's nucleus.



●The atomic mass of 
manganese is the average number of  protons plus neutrons of all the isotopes of manganese.


●The masss number of 
manganese is the number of protons plus neutrons of a specific isotope of manganese.





How Many Neutrons Does manganese Have?




                    Step-2:


We need to convert atomic mass of 
manganese to mass number of  manganese by rounding if necessary (In case of fraction) .









From periodic table,



  ●Atomic number of 
manganese  is 25.


●Atomic mass of  
manganese is 54.94


●To find out mass number,we need to round 
54.94 to a whole number.So,by rounding,we are getting mass number  of manganese.The mass number of manganese is 55





                    Step-3:


How Many Neutrons Does manganese Have?

By the difference between mass number and atomic number of 
manganese,we get the number of neutrons in manganese.


●Number of neutrons=55-25=30


In another way,

●Mass number=Protons +Neutrons

Or,55 =25 +Neutrons

Or,55-25=Neutrons

Therefore,
Neutrons=30




Therefore,the number of neutrons in 
manganese is 39 here for this isotope.Remember that neutrons are present in the nucleous of manganese and it's charge is zero.

●Number of protons in 
manganese is 25.Protons are present in the nucleus of manganese.




● Number of electrons in 
manganese is 25.Remember that number of electron equals to proton in a neutral atom.Eletrons are present outside of nucleus of manganese.


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