Question

find the no of prtons electrons and neutrons

Answer 1

1) Potassium(K) - 19 protons, 19 electrons and 20 neutrons.

2) Helium (He) - 2 protons, 2 electrons and 2 neutrons

3) Calcium(Ca) - 20 protons, 20 electrons and 20 neutrons

4) Silicon(Si) - 14 protons, 14 electrons and 16 neutrons

5)Thorium(Th) - 90 protons, 90 electrons and 124 neutrons

Answer 2

similarly you can get your other answer OK..if your are not get your answer after that yiy can ask me