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

How Many Neutrons Does Aluminum Have?


Answer:

Aluminum has 14 neutrons  for this isotope.


Explanation:

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





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



                    Step-1:


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


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


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




How Many Neutrons Does aluminum Have?




                    Step-2:

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






From periodic table,


  ●Atomic number of aluminum  is 13 .

●Atomic mass of  aluminum is 26.98

●To find out mass number,we need to round 26.98 to a whole number.So,by rounding,we are getting mass number  of aluminum.The mass number of aluminum is 27.




                    Step-3:


How Many Neutrons Does aluminum Have?

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


●Number of neutrons=27-13=14
Therefore,the number of neutrons in aluminum is 14 here for this isotope.Remember that neutrons are present in the nucleous of aluminum and it's charge is zero.

● Number of electrons in aluminum is 13.Remember that number of electron equals to proton in a neutral atom.Eletrons are present outside of nucleus of aluminum.

●Number of protons in aluminum is 13.Protons are present in the nucleus of aluminum.


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