【 】How Many Neutrons Does Sodium Have?||Number of Neutrons in Sodium

How Many Neutrons Does Sodium Have?


Answer:

Sodium has twelve neutrons for this isotope.

Explanation:

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





To find out the number of neutrons  for sodium,we have to have knowledge about atomic number,atomic mass,mass number of sodium.



                    Step-1:


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


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


●The Masss number of sodium is the number of protons plus neutrons of a specific isotope of sodium.




How Many Neutrons Does sodium Have?




                    Step-2:

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






From periodic table,


  ●Atomic number of sodium  is 11 (Eleven).

●Atomic mass of  sodium is 22.99

●To find out mass number,we need to round 22.99 to a whole number.So,by rounding,we are getting mass number  of sodium.The mass number of sodium is 23.




                    Step-3:


How Many Neutrons Does sodium Have?

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


●Number of neutrons=23-11=12
Therefore,the number of neutrons in sodium is 12 here for this isotope.Remember that neutrons are present in the nucleous of sodium and it's charge is zero.

● Number of electrons in sodium is 11.Remember that number of electron equals to proton in a neutral atom.Eletrons are present outside of nucleus of sodium.

●Number of protons in sodium is 11.Protons are present in the nucleus of sodium.


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