1.

13. From the symbol K. write the following1.mass number of Potassium 2. atomic number of Potassium

Answer»

mass no. 40atomic no. is 18

mass 40 andatomic number 19

1. mass 402. atomic number 19

mere ko nhi pta

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mass no 40 and atomic no.is19

Mass no. is the total no. of protons and neutrons in an atom. 1. mass no. is 402. atomic no. is 19PLEASE LIKE ❤



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