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30 Oct 2021

Given information

Here the given isotope of potassium is:

 

Step-by-step explanation

Step 1.

In the given isotope ,   the atomic number is 19 and the mass number is 40. 

Since the atomic number gives the number of protons, the isotope consists of 19 protons .

The relationship between Mass Number (A), Number of Protons (p), and Number of Neutrons (n) is as follows:-

   

 

 

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