【 】How Many Neutrons Does Zinc(Zn) Have?||Number of Neutrons in Zinc(Zn)

Answer:
Zinc has 35 neutrons for this isotope.
How Many Neutrons Does Zinc(Zn) Have?



Answer:

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






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



                    Step-1:


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


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


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



How Many Neutrons Does zinc Have?




                    Step-2:

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






From periodic table,


  ●Atomic number of  zinc  is 30.

●Atomic mass of   zinc is 65.38

●To find out mass number,we need to round 65.38 to a whole number.So,by rounding,we are getting mass number  of  zinc.The mass number of  zinc is 65.




                    Step-3:


How Many Neutrons Does zinc Have?

By the difference between mass number and atomic number of zinc get the number of neutrons in zinc.


●Number of neutrons=65-30=35

In another way,

●Mass number=Protons +Neutrons

Or,65 =30 +Neutrons

Or,65-30=Neutrons

Therefore,
Neutrons=35




Therefore,the number of neutrons in zinc is 35 here for this isotope.Remember that neutrons are present in the nucleous of zinc and it's charge is zero.

●Number of protons in zinc is 30.Protons are present in the nucleus of zinc.



● Number of electrons in zinc is 30.Remember that number of electron equals to proton in a neutral atom.Eletrons are present outside of nucleus of zinc.


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