Question

if an element has completed valency, along with the electrons will the protons also change or not
please answer correctly
but I know someone do that and my points waste​

Answer 1

Adding or removing protons from the nucleus changes the charge of the nucleus and changes that atom's atomic number. So, adding or removing protons from the nucleus changes what element that atom is! For example, adding a proton to the nucleus of an atom of hydrogen creates an atom of helium.

Answer 2

Answer : yes proton changes.

Explanation: because the no of electron and proton are same.