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

Phosphorus has sixteen (16) neutrons for this isotope.
【 】How Many Neutrons Does Phosphorus Have?||Number of Neutrons in Phosphorus


Explanation:

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





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



                    Step-1:


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


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


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




How Many Neutrons Does phosphorus Have?




                    Step-2:

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






From periodic table,


  ●Atomic number of phosphorus  is 15 .

●Atomic mass of  silicon is 30.97

●To find out mass number,we need to round 30.97 to a whole number.So,by rounding,we are getting mass number  of phosphorus.The mass number of phosphorus is 31.




                    Step-3:


How Many Neutrons Does phosphorus Have?

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


●Number of neutrons=31-15=16
Therefore,the number of neutrons in phosphorus is 16 here for this isotope.Remember that neutrons are present in the nucleous of phosphorus and it's charge is zero.

●Number of protons in phosphorus is 15.Protons are present in the nucleus of phosphorus.

● Number of electrons in phosphorus is 15.Remember that number of electron equals to proton in a neutral atom.Eletrons are present outside of nucleus of phosphorus.
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